Author
Baskerville, G. L.
1
Briggs, Russell D.
1
CANADA DEPARTMENT OF FORESTRY
2
Canada. Environment Canada
1
Canada. Forest Research Division
1
Canada/United States Spruce Budworms Program
1
Canadian Forestry Service
Forest Insect and Disease Survey (Canada)
1
Frazier, W. E.
1
Graham, D. P.
3
Hodsdon, Kenneth Y
1
Holst, M.
1
INTERMOUNTAIN FOREST AND RANGE EXPERIMENT STATION
3
Lynch, Ann M.
1
Maine Agricultural and Forest Experiment Station
1
Maritimes Forest Research Centre
1
Pendrel, B. A.
1
United States. Cooperative State Research Service
1
United States. Forest Service
3
University of Maine. Cooperative Forestry Research Unit
1
Van Wagner, C. E.
1
Witter, John A.
1
Young, Harold E
1