Author
Canadian Forestry Service
Canada Department of Fisheries and Forestry. Forest Research Laboratory
1
Canada. Dept. of Agriculture. Forest Biology Division
1
Canada. Dept. of Forestry
1
Canada. Forest Entomology and Pathology Branch
1
Canada. Forestry Branch
1
Canada. Forestry Canada. Maritimes Region
1
Forest Insect and Disease Survey (Canada)
1
Maritimes Forest Research Centre
1