Gypsy moth egg-mass density and subsequent defoliation /
| Main Author: | |
|---|---|
| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Upper Darby, PA :
U.S. Forest Service, Northeastern Forest Experiment Station,
1966
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| Series: | U.S. Forest Service research note NE ;
44 |
| Subjects: |