A Bibliography of Psylla (Homoptera: Psyllidae) on pear trees.
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Imprint: | Washington, D.C. : U.S. Dept. of Agriculture, Science and Education Administration, 1981. |
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Description: | 13 p. ; 28 cm. |
Language: | English |
Series: | Bibliographies and literature of agriculture no. 17 |
Subject: | |
Format: | U.S. Federal Government Document Print Book |
URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/526605 |
Item Description: | "Issued August 1981"--T.p. verso. Cover title. |
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Physical Description: | 13 p. ; 28 cm. |