Walnut aphides in California / by W.M. Davidson.
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| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Dept. of Agriculture,
1914.
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| Series: | Bulletin of the U.S. Department of Agriculture ;
no. 100. |
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| Item Description: | Caption title. "August 31, 1914." "Professional paper." |
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| Physical Description: | 48 pages, 3 unnumbered leaves of plates : illustrations ; 24 cm. |
| Bibliography: | Includes bibliographical references (pages 47-48) |