Insects of eastern spruces, fir and hemlock /
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| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
Ottawa :
Canadian Forestry Service,
1977.
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| Series: | Forestry technical report ;
23 |
| Subjects: |
| Physical Description: | 159p. : ill. |
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| ISBN: | 0660015943 |