Changes in Red Spruce Populations in Montane Forests of the Appalachians, 1982-1987

Autor: Silver, W. L., Siccama, T. G., Johnson, C., Johnson, A. H.
Zdroj: The American Midland Naturalist, 1991 Apr 01. 125(2), 340-347.
Databáze: JSTOR Journals