Author
Canada/United States Spruce Budworms Program
5
Canadian Forest Service
2
Northeastern Forest Experiment Station (Radnor, Pa.)
2
United States. Cooperative State Research Service
2
ALBERTA AGRICULTURE
1
ALBERTA ENVIRONMENTAL CENTRE
1
American Chemical Society. Division of Pesticide Chemistry
1
British Columbia. Ministry of Forests
1
CANUSA
1
CORNELL UNIVERSITY
1
Canadian Forest Service. Science Branch
1
Canadian Forestry Service
1
Canadian Forestry Service. Maritimes
1
Commonwealth Institute of Biological Control (England)
1
Connola, Donald, P.
1
Cooperative State Research Service
1
Crawford, Hewlette S., 1931-
1
Eidt, D. C.
1
Entomological Society of America
1
Forest Defoliator-Host Interaction Workshop New Haven, Conn.)
1
Forest Pest Management Institute (Canada)
1
Frodsham, A.C.
1
Garner, Willa Y., 1936-
1
Gibson, Phillip
1
Gray, David R.
1
Grimble, D. G.
1
HOFFMAN, M.P.
1
Harper, James D.
1
Harris, Peter
1
Harvey, John, 1925-
1
Hildebrand, M. J
1
Jennings, Daniel T.
1
Juneau, André, 1943-
1
Lamontagne, Karl
1
Laurentian Forest Research Centre
1
Laurentian Forestry Centre
1
Lewis, Franklin, B.
1
McClay, A. S.
1
Moore, A
1
Morris, Oswald N.
1
Nova Scotia Department of Lands and Forests
1
Parker, Charles R
1
Powell, George W.
1
Proceedings of the southern Appalachian biological control initiative workshop
1
Quednau, F. W.
1
Rechcigl, Jack E
1
Rechcigl, Nancy A
1
Sampson, M. G. 1954-
1
Schmitt, D. M.
1
Searcy, J. L.
1
more ...