[Текст]. 9 Arizona Forestry Notes. An evaluation of a study on the effects on streamflow of the killing of spruce and pine by the Engelmann spruce beetle / M.E.
Mitchell, L.D. Love ; School of forestry, Northern Arizona Univ. - Flagstaff : Northern Arizona University, 1973. - 20 с. : ill. - бесплатно р.
Библиогр: p. 20
Доп.точки доступа: Love, L.D.
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