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1.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Aver'yanov E. M.
Заглавие : Anisotropy of dipole-dipole interactions in ferroelectric langmuir films of poly(vinylidene fluoride-trifluoroethylene)
Место публикации : JETP Letters. - 2014. - Vol. 99, Is. 10. - P.590-593. - ISSN 0021-3640, DOI 10.1134/S0021364014100026. - ISSN 1090-6487
Примечания : Cited References: 12
Предметные рубрики: LOCAL-FIELD
BLODGETT-FILMS
COPOLYMER
Аннотация: The Lorentz tensor components L (j) for poly(vinylidene fluoride-trifluoroethylene, 70/30) Langmuir-Blodgett films in the ferroelectric phase are determined experimentally. The results indicate that intralayer dipole-dipole interaction between the segments of the polymer is stronger than interlayer interaction. This conclusion agrees with the absence of the critical film thickness below which ferroelectricity would cease to exist.
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2.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : BELOBROV P. I., VOEVODIN V. A., IGNATCHENKO V. A.
Заглавие : GROUND-STATE OF A DIPOLE SYSTEM IN A PLANE RHOMBIC LATTICE
Место публикации : Zhurnal Eksperimentalnoi Teor. Fiz.: MEZHDUNARODNAYA KNIGA, 1985. - Vol. 88, Is. 3. - P889-893. - ISSN 0044-4510
Примечания : Cited References: 6
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3.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kornienko V. S., Tsipotan A. S., Aleksandrovsky A. S., Slabko V. V.
Заглавие : Brownian dynamics of the self-assembly of complex nanostructures in the field of quasi-resonant laser radiation
Место публикации : Photonics Nanostruc. Fundam. Appl. - 2019. - Vol. 35. - Ст.100707. - ISSN 15694410 (ISSN), DOI 10.1016/j.photonics.2019.100707
Примечания : Cited References: 32. - The reported study was funded by Russian Science Foundation (Grant 18-72-00003 ). V.V. Slabko is grateful for the support from the Ministry of Education and Science of the Russian Federation (Grant 3.6341.2017/VU ).
Аннотация: Self-assembly of nanoparticles under the action of laser field can be an universal method for the formation of nanostructures with specific properties for application in sensorics and nanophotonics. For prognosis of the self-assembly processes, the model of movement of an ensemble of nanoparticles in a viscous media under the action of laser radiation with the account for interaction of laser-induced polarizations and Brownian dynamics is developed. This model is applied to the investigation of the self-assembly process of a triple of nanoparticles into three-particle structure with a predetermined geometry.Two specific cases of formation of nanostructure from a preliminarily formed pair of particles are studied: either for the pair fixed in space or from the unfixed pair of nanoparticles. The geometry of resulting nanostructures is shown to be determined by the polarization direction of laser radiation and the laser wavelength. Under proper choice of these parameters the formation of structures is shown to be highly efficient. E. g., maximum probability of structures formation is as hig as 36–46% per single laser pulse of 10 ns duration. © 2019 Elsevier B.V.
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4.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bulgakov E. N., Sadreev A. F.
Заглавие : All-optical diode based on dipole modes of Kerr microcavity in asymmetric L-shaped photonic crystal waveguide
Коллективы : RFBR [13-02-00497]
Место публикации : Opt. Lett.: Optical Society of America, 2014. - Vol. 39, Is. 7. - P.1787-1790. - ISSN 0146-9592, DOI 10.1364/OL.39.001787. - ISSN 1539-4794
Примечания : Cited References: 14. - This work was partially supported by RFBR grant 13-02-00497
Предметные рубрики: TRANSMISSION
Аннотация: A design of all-optical diode in L-shaped photonic crystal waveguide is proposed that uses the multistability of single nonlinear Kerr microcavity with two dipole modes. Asymmetry of the waveguide is achieved through different couplings of the dipole modes with the left and right legs of the waveguide. Using coupled mode theory we demonstrate an extremely high transmission contrast. The direction of optical diode transmission can be controlled by power or frequency of injected light. The theory agrees with the numerical solution of the Maxwell equations. (C) 2014 Optical Society of America
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5.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bulgakov E. N., Sadreev A. F.
Заглавие : All-optical manipulation of light in X- and T-shaped photonic crystal waveguides with a nonlinear dipole defect
Место публикации : Phys. Rev. B: American Physical Society, 2012. - Vol. 86, Is. 7. - Ст.75125. - ISSN 1098-0121, DOI 10.1103/PhysRevB.86.075125
Примечания : Cited References: 38. - The work is partially supported by Integration Project of Siberian Branch of RAS (Project No. 29) and RFBR Grant No. 12-02-000094. We thank D. N. Maksimov for critical reading of the manuscript.
Предметные рубрики: SPONTANEOUS SYMMETRY-BREAKING
FIBER
CAVITIES
SYSTEM
FIELDS
Аннотация: We consider light transmission in X- and T-shaped photonic crystal waveguides which hold nonlinear defect with two resonant dipole modes. By use of the coupled-mode theory and by numerical solution of the Maxwell equations for the transverse-magnetic (TM) light mode, we show two stable types of the solutions. The first type has no cross talk, while the second type does owe to nonlinearity of the defect. We show also that direct path transmission processes in the waveguides play an important role for breaking of symmetry.
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6.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : BULGAKOV E. N.
Заглавие : GROUND-STATE OF A DIPOLE-DIPOLE SYSTEM IN THE FIELD OF SINGLE-ION-ANISOTROPY
Место публикации : Fiz. Tverd. Tela: MEZHDUNARODNAYA KNIGA, 1989. - Vol. 31, Is. 11. - P21-25. - ISSN 0367-3294
Примечания : Cited References: 19
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7.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bulgakov E. N., Sadreev A. F.
Заглавие : Symmetry breaking in photonic crystal waveguide coupled with the dipole modes of a nonlinear optical cavity
Место публикации : J. Opt. Soc. Am. B: Optical Society of America, 2012. - Vol. 29, Is. 10. - P.2924-2928. - ISSN 0740-3224
Примечания : Cited References: 17. - This work is partially supported by the Integration Project of the Siberian Branch of the Russian Academy of Sciences (RAS) (project no. 29) and the Russian Fund of Basic Research (RFBR) grant 12-02-000094. We thank D. N. Maksimov for assistance in the manuscript preparation.
Аннотация: We present stable symmetry breaking solutions in a nonlinear optical cavity with dipole eigenmodes embedded into the propagation band of a directional photonic crystal waveguide for symmetric injecting condition. We demonstrate how this phenomenon can be exploited for all-optical switching of light transmission from the one side of the waveguide to another by application of input pulses. When the light injected to both sides of the waveguide has equal intensities but different phases, we reveal a wealth of new solutions. (c) 2012 Optical Society of America
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8.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Chzhan A. V., Orlov V. A., Volochaev M. N.
Заглавие : Interlayer interaction and coercivity of three-layer films obtained bу chemical deposition
Колич.характеристики :5 с
Место публикации : Phys. Met. Metallogr. - 2023. - Vol. 124, Is. 10. - P.961-965. - ISSN 0031918X (ISSN), DOI 10.1134/S0031918X23601804. - ISSN 15556190 (eISSN)
Примечания : Cited References: 21. - We are grateful to S.Ya. Kiparisov for the provided samples
Аннотация: The results of experimental and theoretical studies of the coercivity and the dipole coupling field of the hysteresis loop on the thickness of the nonmagnetic interlayer in magnetic films, which are obtained via chemical deposition, are presented. Using model calculations based on the Landau–Ginzburg equations, the exchange interactions between magnetic layers with the participation of atoms from the nonmagnetic interlayer are studied. The resulting expression for the dipole coupling field describes well the exponential changes in the dipole coupling field as a function of the interlayer thickness in structures with both soft magnetic layers and layers with significantly different values of the coercivity.
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9.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ponomarev A. V., Kolovsky A. R.
Заглавие : Dipole and Bloch oscillations of cold atoms in a parabolic lattice
Место публикации : Laser Physics. - 2006. - Т. 16, № 2. - P.367-370. - ISSN 1054-660X, DOI 10.1134/S1054660X06020289. - ISSN 1555-6611(eissn)
Аннотация: The paper studies the dynamics of a Bose–Einstein condensate loaded in a 1D parabolic optical lat tice and excited by a sudden shifting of the lattice center. Depending on the initial shift, this dynamics is either the dipole or Bloch oscillations of the atoms. The effects of the dephasing and atom–atom interactions on the above atomic oscillations are discussed.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Aplesnin S. S., Udod L. V., Sitnikov M. N., Kretinin V. V., Molokeev M. S., Mironova-Ulmane N.
Заглавие : Dipole glass in chromium-substituted bismuth pyrostannate
Коллективы : Russian Foundation for Basic Research [N 18-52-00009 Bel_a, 18-32-00079 mol_a, 3.5743.2017/6.7]
Место публикации : Mater. Res. Express. - 2018. - Vol. 5, Is. 11. - Ст.115202. - ISSN 2053-1591, DOI 10.1088/2053-1591/aaddd9
Примечания : Cited References: 33. - This study was supported by the Russian Foundation for Basic Research project N 18-52-00009 Bel_a, No 18-32-00079 mol_a, the state order No 3.5743.2017/6.7.
Предметные рубрики: BI4TI3O12 THIN-FILMS
NEUTRON-DIFFRACTION
RAMAN-SPECTROSCOPY
BI2SN2O7
Ключевые слова (''Своб.индексиров.''): dipole glass--permittivity--polarization--raman scattering spectra--structural transition
Аннотация: To establish the existence of dipole glass in the chromium-substituted bismuth pyrostannate solid solutions, the frequency and temperature dependences of the permittivity have been measured in the temperature range of 300–750 K. The field and dynamic dependences of polarization in the temperature range of 80–550 K have been determined. Using the Raman scattering spectra, the absence of inversion center has been established. The maximum of electrical resistance has been found in the vicinity of the dipole moment freezing point. The carrier type has been determined from the thermopower data. The polarization relaxation is shown to be nonexponential. The experimental data are explained within the model of dipole glass in the α- phase and the model of charged crystalline domain walls with the electron-polarization relaxation mechanism above the α–β structural transition.
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11.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Komogortsev S. V., Chekanova L. A., Shabanova O. V., Shabanov A. V., Nemtsev I. V., Neznakhin D. S., Denisova E. A., Felk V. A., Mohov A. A., Iskhakov R. S.
Заглавие : Dipole-dipole interaction weakening in ensembles of cobalt microspheres with a nonmagnetic core
Место публикации : Phys. Solid State. - 2022. - Vol. 64, Is. 9. - P.1263-1268. - ISSN 10637834 (ISSN), DOI 10.21883/PSS.2022.09.54163.16HH. - ISSN 10906460 (eISSN)
Примечания : Cited References: 32. - The study was done with financial support from the Russian Foundation for Basic Research, Government of Krasnoyarsk Territory and the Krasnoyarsk Regional Fund of Science within scientific project No. 20-42-240001
Аннотация: Magnetic microspheres with nonmagnetic acrylic glass core were fabricated using electroless deposition. There are favorable conditions for magnetic flux closure within each particle. As a result, the dipole-dipole interaction in the powder of such microspheres is reduced drastically. This is the key difference between powders of magnetic microspheres and powders of full magnetic spherical particles witch behavior is significantly affected by the dipole-dipole interaction. The magnetic hysteresis in the cobalt microspheres with nonmagnetic core is significantly large then in the full cobalt particles produced using the same technique.
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12.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Markel V. A., Pustovit V. N., Karpov S. V., Obuschenko A. V., Gerasimov V. S., Isaev I. L.
Заглавие : Electromagnetic density of states and absorption of radiation by aggregates of nanospheres with multipole interactions
Место публикации : Phys. Rev. B: AMER PHYSICAL SOC, 2004. - Vol. 70, Is. 5. - Ст.54202. - ISSN 1098-0121, DOI 10.1103/PhysRevB.70.054202
Примечания : Cited References: 81
Предметные рубрики: DISCRETE-DIPOLE APPROXIMATION
ENHANCED RAMAN-SCATTERING
METAL FRACTAL CLUSTERS
OPTICAL-PROPERTIES
SELECTIVE PHOTOMODIFICATION
DISORDERED CLUSTERS
NUMERICAL-SIMULATION
SPECTRAL DEPENDENCE
PARTICULATE MATTER
LIGHT-SCATTERING
Ключевые слова (''Своб.индексиров.''): carbon--iron--palladium--silver--article--dipole--electromagnetic field--geometry--mathematical analysis--molecular interaction--nanoparticle--radiation absorption
Аннотация: We calculate the quasistatic electromagnetic density of states for aggregates of touching spheres, in particular, linear chains and computer-generated random fractal aggregates. Multipole moments with orders of up to L=64 are taken into account for random aggregates with the number of particles of up to N=100 and up to L=8000 for linear chains. Extensive comparisons with the dipole approximation and geometrical cluster renormalization method are performed. Extinction spectra are calculated for several metals and black carbon. Long wavelength electromagnetic properties of fractal aggregates are considered in details.
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13.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Udod L. V., Aplesnin S. S., Zelenov F. V., Sitnikov M. N., Molokeev M. S., Romanova O. B.
Заглавие : Enhancement of the magnetoelectric effect in the Bi2Fe4O9/BiFeO3 composite as a result of dipole and migration polarization in mullite
Колич.характеристики :13 с
Место публикации : J. Mater. Sci. - 2024. - Vol. 59, Is. 24. - P.10763-10775. - ISSN 00222461 (ISSN), DOI 10.1007/s10853-024-09885-x. - ISSN 15734803 (eISSN)
Примечания : Cited References: 55
Аннотация: The effect of the size of Bi2Fe4O9 and BiFeO3 nanoparticles on the magnetoelectric interaction in the Bi2Fe4O9/BiFeO3 composite with a percentage ratio of 67/33 has been studied. The electrostriction and electric polarization on electric and magnetic field in wide temperature range has been measured. The hysteresis of the polarization and I?V characteristics has been found. Temperature ranges with activation and hopping types of conductivity have been found. The mechanism of electric polarization and the crossover temperature from dipole polarization to migration polarization at 260 K have been established. Linear and quadratic contributions to the magnetoelectric effect have been found. Below 120 K the linear contribution is an order of magnitude greater than the quadratic contribution and above 240 K the quadratic contribution to the ME effect prevails. Models have been proposed to explain the enhancement of the magnetoelectric effect as a result of the migration polarization in mullite and linear magnetoelectric effect in bismuth ferrite. The correlation of temperatures of the extremum of the temperature coefficient of the electrical resistance and the magnetic phase transition in mullite at 260 K indicates a polaron-type conductivity and a strong electron?phonon interaction. A change in the sign of the electrostriction coefficient upon heating and the compression temperature of the composite in an electric field was found.
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14.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Martyanov O. N., Balaev D. A., Pylypenko O. V., Odnodvorets L. V., Chernov S. V., Nepijko S. A., Elmers H.-J., Schneider C. M., Schonhense G.
Заглавие : FMR investigations of two-dimensional periodic arrays of disc-shaped Co particles at different temperatures
Место публикации : J. Supercond. Nov. Magn.: Springer, 2015. - Vol. 28, Is. 12. - P.3587-3591. - ISSN 1557-1939, DOI 10.1007/s10948-015-3178-3
Примечания : Cited References: 14. - The authors gratefully acknowledge the financial support by the Center of Material and Technology (COMATT)
Предметные рубрики: FERROMAGNETIC-RESONANCE
FILMS
Ключевые слова (''Своб.индексиров.''): cobalt film--dipole-dipole interaction--ferromagnetic resonance (fmr)
Аннотация: Using ferromagnetic resonance method, we performed measurements of two-dimensional periodic arrays of disc-shaped cobalt particles with different diameters a=450 and 900 nm and the distance between them l=2a and 3a with temperature variation in the range T = 140 −300 K. The first derivative of the microwave absorption spectrum was registered. With the increase of T additional peaks on both sides from the main peak that move aside from it, all peaks show an increase of the intensity and a decrease of the width. Dependences of the resonance field on T shows saturation-like behavior with increasing temperature. They move to higher temperatures and show sharper behavior with a increase and l decrease, respectively. An increase of a leads to the intensity decrease and width increase of all three adsorption peaks.
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15.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : GEKHT R. S.
Заглавие : COLLECTIVE MODES OF INCOMMENSURATE STRUCTURES IN SYSTEMS WITH DIPOLE INTERACTION
Место публикации : Zhurnal Eksperimentalnoi Teor. Fiz.: MEZHDUNARODNAYA KNIGA, 1986. - Vol. 91, Is. 1. - P190-201. - ISSN 0044-4510
Примечания : Cited References: 19
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16.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : GEKHT R. S.
Заглавие : VORTEX INCOMMENSURATE STRUCTURE IN MAGNETICS WITH DIPOLE INTERACTION
Место публикации : Fiz. Tverd. Tela: MEZHDUNARODNAYA KNIGA, 1984. - Vol. 26, Is. 2. - P567-569. - ISSN 0367-3294
Примечания : Cited References: 7
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17.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Sadreev A. F., Sukhunin Y. V., Petoral R. M., Uvdal K.
Заглавие : Ground state and phase transitions in a system of arg-cysteamines self-assembled on a Au(111) crystal surface
Место публикации : J. Chem. Phys.: AMER INST PHYSICS, 2004. - Vol. 120, Is. 2. - P954-960. - ISSN 0021-9606, DOI 10.1063/1.1631920
Примечания : Cited References: 38
Предметные рубрики: MOLECULAR-DYNAMICS SIMULATION
HYDROGEN-BOND
MONOLAYERS
MODEL
GOLD
PEPTIDES
ALKANETHIOLS
ACTIVATION
FILMS
CYS
Ключевые слова (''Своб.индексиров.''): gold--ground state--hydrogen bonds--molecules--phase transitions--self assembly--surfaces--temperature--arg-cysteamines--crystal surface--dipole moments--dipole-dipole interactions--molecular dynamics
Аннотация: The translational and orientation order of arg-cysteamine molecules chemiabsorbed on the Au(111) crystal surface is considered. Couplings between carbon, nitrogen, and hydrogen atoms of the n-alkanethiols are approximated by the Lennard-Jones potential. Moreover, hydrogen bonds between oxygen and nitrogen and dipole-dipole interactions of the dipole moments of different atomic groups are taken into account. It is found that molecules are arranged in a 2x2 lattice and have the total symmetry C(6)xZ(2). The critical temperature of the phase transition to the tilted state T-c1, which breaks the symmetry C-6, is estimated to be extremely high. The spontaneous breakdown of the remaining symmetry Z(2) leads to the twisted state of the molecules and has the critical temperature T-c2=340 K. (C) 2004 American Institute of Physics.
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18.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ignatchenko V. A., Polukhin D. S.
Заглавие : Green’s function of magnetoelastic waves
Коллективы : Moscow International Symposium on Magnetism
Место публикации : Solid State Phenom.: Selected, peer reviewed papers/ ed.: N. Perov, A. Semisalova: Trans Tech Publications Ltd, 2015. - Vol. 233-234: Achievements in Magnetism. - P.12-15. - ISSN 1662-9779, DOI 10.4028/www.scientific.net/SSP.233-234.12. - ISSN 978-3-03835-482-6
Ключевые слова (''Своб.индексиров.''): dispersion relations--elastic waves--green’s functions--magnetoelastic coupling--resonances--spin waves--green's function--resonance--spin waves--wave propagation--approximate expressions--dipole dipole interactions--dispersion relations--elastic oscillations--longitudinal elastic wave--magnetoelastic couplings--off-diagonal elements--s function--elastic waves
Аннотация: The matrix (5x5) Green's function of magnetoelastic waves in an isotropic magnetoelastic medium taking into account the dipole-dipole interaction has been derived. The imaginary parts of diagonal and off-diagonal elements of the Green's function in the crossing resonance of spin and longitudinal elastic waves has been investigated. It is shown that under changing the angle of wave propagation θ the amplitudes of Green functions change drastically due redistribution of energy between the magnetic and elastic oscillation. Approximate expressions for the dependence of the widths of the gaps in the spectrum on the angle θ have been also derived. © (2015) Trans Tech Publications, Switzerland.
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19.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Komogortsev S. V., Fel'k V. A., Li O. A.
Заглавие : The magnetic dipole-dipole interaction effect on the magnetic hysteresis at zero temperature in nanoparticles randomly dispersed within a plane
Место публикации : J. Magn. Magn. Mater. - 2019. - Vol. 473. - P.410-415. - ISSN 03048853 (ISSN) , DOI 10.1016/j.jmmm.2018.10.091
Примечания : Cited References: 58. - This work was supported by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research project № 18-42-240006.
Ключевые слова (''Своб.индексиров.''): micromagnetic simulation--magnetic hysteresis--magnetic nanoparticles--dipole-dipole interaction
Аннотация: The dipole-dipole interaction effect on the magnetic hysteresis of nanoparticles randomly dispersed within a plane is studied by micromagnetic simulation. The dependence of the coercive field with the concentration of nanoparticles varies from nonlinear and monotonic to non-monotonic dependence with a maximum at a certain concentration. It happens when the ratio of the magnetic anisotropy constant to the maximal dipole energy changes from value much larger than 1 to the value much less than unity.
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20.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kucherov M. M., Ponomarenko A. V., Zobov V. E.
Заглавие : On dipole-zeeman cross relaxation in multiple-pulse spin locking
Место публикации : Phys. Status Solidi B. - 1981. - Vol. 107, Is. 2. - P.K159-K162. - ISSN 0370-1972, DOI 10.1002/pssb.2221070263
Примечания : Cited References: 7
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