Douglas-fir tussock moth handbook : how to determine the occurrence of virus in egg masses /
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| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Series: | Agriculture handbook (United States. Department of Agriculture) ;
no. 548. |
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| Item Description: | Combined forest pest research and development program. Issued Dec. 1979. |
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| Physical Description: | 7 pages : illustrations ; 24 cm. |
| Bibliography: | Bibliography: page 7. |