Author
Canadian Forestry Service
3
Canada Centre for Mineral and Energy Technology
1
Canada Department of Fisheries and Forestry. Forest Research Laboratory
1
Canada. Department of Forestry and Rural Development
1
Canada. Dept. of Agriculture. Forest Biology Division
1
Canada. Dept. of Forestry
1
Canada. ENFOR Secretariat
1
Canada. Forest Entomology and Pathology Branch
1
Canada. Forestry Branch
1
Canada. Forestry Canada
1
Forest Engineering Research Institute of Canada
1
Forest Engineering Research Institute of Canada. Silvicultural Operations Group
1
Forest Insect and Disease Survey (Canada)
1
Forestry Canada
1
Forestry Research Advisory Council of Canada
1
Mikola, Peitsa
1
National Research Council of Canada
1
North Carolina State University - Industry Cooperative Tree Improvement Program
1
Nova Scotia Department of Lands and Forests
1
Nova Scotia Department of Natural Resources
1
Nova Scotia Primary Forest Products Marketing Board
1
Romberger, John Albert, , 1925-
1
U.S. Forest Service. Northern Research Station
1