Parry, D. L., & Pacific Northwest Research Station. (1996). Lumber recovery and deterioration of beetle-killed douglas-fir and grand fir in the Blue Mountains of eastern Oregon. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.
Chicago Style (17th ed.) CitationParry, Dean L., and Pacific Northwest Research Station. Lumber Recovery and Deterioration of Beetle-killed Douglas-fir and Grand Fir in the Blue Mountains of Eastern Oregon. Portland, Or. (333 S.W. First Ave., Portland 97208-3890): U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1996.
MLA (8th ed.) CitationParry, Dean L., and Pacific Northwest Research Station. Lumber Recovery and Deterioration of Beetle-killed Douglas-fir and Grand Fir in the Blue Mountains of Eastern Oregon. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1996.