Chicago

Flavell, Thomas H., S Tunnock, J. W Barry, R. B Ekblad, and W. M Ciesla. 1978. Pilot Project of Carbaryl and Trichlorfon Against the Western Spruce Budworm : Beaverhead National Forest, Montana. : Missoula, Mont. : USDA Forest Service, State and Private Forestry, Northern Region.