Showing 1 - 4 of 4 for search: 'Ostaff, D.', query time: 0.05s
1
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by Ostaff, D.
Fredericton, N.B. : Maritimes Forest Research Centre, 1981.

2
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by Ostaff, D.
Fredericton, N.B. : Canadian Forestry Service - Maritimes, 1986.

3
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by Ostaff, D.
Ottawa : Eastern Forest Products Laboratory, 1977.
4
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Ottawa, Ont. : [Washington, D.C.] : Environment Canada, Canadian Forestry Service ; Forest Service, US Dept. of Agriculture, c1984.
Other Authors: '; “...Ostaff, D...”

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Spruce Spruce budworm Diseases and pests Fir Forest insects Forest products industry Larch Larches Losses Spruce bark beetles