A literature review of the spruce, western, and 2-year-cycle budworms
1968
McKnight, Melvin E.
"Covers 370 literature citations on the spruce (C. fumiferana (Clemens)), western (C. occidentalis Freeman), and 2-year-cycle (C. biennis Freeman) budworms through November 1967. Citations are also organized in a suject index."
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书目信息
出版者 Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture | Fort Collins, Colo. : Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1968