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Mechanics of Feeding of the Greenbug (Toxoptera Graminum Rond.) on Hordeum, Avena, and Triticum

R. M. ChattersAlva Marion Schlehuber

出版	Oklahoma Agricultural Experiment Station, 1951
URL	http://books.google.com.hk/books?id=17EpAQAAMAAJ&hl=&source=gbs_api