Field test with helicopter applications of Gardona against gypsy moth in Pennsylvania /
| Main Author: | Barger, Jack H. |
|---|---|
| Other Authors: | Helrich, Kenneth, 1924- |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Upper Darby, Pa. :
Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station,
1975.
|
| Series: | USDA Forest Service research paper NE ;
314. |
| Subjects: |
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