Author
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United States. Cooperative State Research Service
4
Canadian Forest Service
3
Carter, Nelson E.
3
Dalhousie University
3
Donnelly, Maureen P.
3
Dyer, Richard
3
Fosbroke, Sandra L.C.
3
Georgeson, E.
3
Graefe, Alan R.
3
Kettela, E. G.
3
Lyndon State College
3
MacLean, David A.
3
More, Thomas A.
3
National Society for Park Resources
3
New Brunswick Department of Natural Resources and Energy
3
New Brunswick. Department of Environment
3
New Hampshire Division of Parks and Recreation
3
O'Neill, Carol-Lynn M.
3
Random Lengths Publications
3
Richardson, J.
3
Rogers, Ann M.
3
Stewart, Bruce
3
United States Department of Agriculture
3
United States Department of Agriculture. Forest Service
3
Vaske, Jerry J.
3
Western Illinois University
3
AGFOR Inc
2
ATI Consulting Corporation
2
Alberta Museums Association
2
Baskerville, G.
2
Baskerville, G. L.
2
Beardmore, T.
2
British Columbia. Ministry of Forests
2
Buckner, C. H.
2
Canada Department of Forestry. Forest Products Research Branch
2
Canada-Ontario Forest Resource Development Agreement
2
Canada. Dept. of Regional Economic Expansion
2
Canada. Forestry Branch
2
Canada. Forestry Canada. National Forestry Database Program
2
Canada. Natural Resources Canada
2
Canadian Forest Industries Council
2
Canadian Forest Service. Quebec Region
2
Canadian Forestry Service annual forest pest control forum Hull, P.Q.)
2
Canadian Forestry Service annual forest pest control forum Ottawa, Ontario)
2
Canadian Forestry Service. Economics Branch
2
Canadian Institute of Forestry
2
Canadian Wildlife Service
2
Chemical Control Research Institute (Canada)
2
Department of the Environment. Canadian Forestry Service
2
Doran, F.
2
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