Field and laboratory investigations of Bacillus thuringiensis as a control agent for gypsy moth Porthetria dispar (L.) /
| Main Authors: | , |
|---|---|
| Corporate Authors: | , , |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Upper Darby, Pa. :
Northeastern Forest Experiment Station,
1966
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| Series: | U.S. Forest Service research paper NE ;
50 |
| Subjects: |