Wurtz, Tricia L. Interactions between white spruce and shrubby alders at three boreal forest sites in Alaska / Tricia L. Wurtz. -- Portland : USDA Forest Service, 2000. -- 29 s. : obr., tab. ; 28 cm. -- (General Technical Report ; PNW-GTR-481). -- (brož.) : .00

630*2+630*56
ZV001