Forecasting gypsy moth egg-mass density /
Main Author: | |
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Corporate Authors: | , |
Format: | Government Document Book |
Language: | English |
Published: |
Upper Darby, Pa. :
Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station,
1973
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Series: | USDA Forest Service research paper NE
268 |
Subjects: |