Author
Bundesforschungsanstalt für Forst- und Holzwirtschaft (Germany)
1
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
Canadian Forestry Service
1
Forest Insect and Disease Survey (Canada)
1
Johann-Heinrich von Thünen-Institut
1
Natural Areas Association (U.S.)
2
Natural Resources Education Centre
1
North Carolina State University - Industry Cooperative Tree Improvement Program
1
Nova Scotia Department of Lands and Forests
1
Nova Scotia Department of Lands and Forests. Forest Resources Planning and Mensuration
1
Nova Scotia Department of Lands and Forests. Reforestation and Silviculture
1
Nova Scotia Department of Lands and Forests. Wildlife Resources
1
Nova Scotia Department of Natural Resources
2
Nova Scotia Department of Natural Resources. Parks and Recreation
1