Spruce budworms handbook : regional evaluation of B.t. for spruce budworm control.

Bibliographic Details
Corporate Authors:	United States. Cooperative State Research Service, Canada/United States Spruce Budworms Program
Format:	Government Document Book
Language:	English
Published:	[Washington, D.C.] : U.S. Dept. of Agriculture, Forest Service, Cooperative State Research Service, [1983]
Series:	Agriculture information bulletin ; no. 458.
Subjects:	Spruce budworm > United States > Biological control.

Evans: US Documents (Annex 5th floor)