Risk rating guide for mountain pine beetle in Black Hills ponderosa pine
1980
Stevens, Robert E. | McCambridge, William F. | Edminster, Carleton B.
Palabras clave de AGROVOC
Información bibliográfica
Editorial U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station | Fort Collins, Colo. : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1980
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