Alexander, Robert R. Ecology, silviculture, and management of the Engelmann spruce - subalpine fir type in the central and southern Rocky Mountains / Robert R. Alexander. -- Washington, DC : USDA Forest Service, 1987. -- v, 144 s. : obr., tab., príl. ; 28 cm. -- (Agriculture Handbook ; 659). -- (brož.) : .00

630*120+630*2+630*64
ZV001