Author
Allen, D. C.
1
Burkman, W. G.
1
Canada. Dept. of Forestry and Rural Development
1
Canada/United States Spruce Budworms Program
3
Canadian Forestry Service
1
Davidson, A. G.
1
Forestry Canada
1
Hardy, Yvan
1
Lachance, D.
1
Lindquist, O. H.
1
Lynch, Ann M.
1
Maniville, Michel
1
Michigan Cooperative Forest Pest Management Program
1
Miller, Thomas
1
Millers, I.
1
Montgomery, Bruce A.
1
North American Forestry Commission
1
Northeastern Forest Experiment Station
1
Prentice, R. M. (Ed.)
1
Programme Canada-États-Unis sur les tordeuses des bourgeons de l'épinette
1
Quinard, Rodolfo Salinas
1
Schmitt, Daniel M.
1
Sutherland, Jack R.
1
United States Department of Agriculture. Forest Service
1
United States. Cooperative State Research Service
1
United States. Forest Service
1
Witter, John A.
1