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A Technical Study of Insects Affecting the Sycamore Tree in Southern California

Gerald W. DeanKenneth Appleby WagnonLeland R BrownMary Ann MorrisOlan D. ForkerRobert Van den BoschWilliam A. Dost

出版	California Agricultural Experiment Station, 1964
URL	http://books.google.com.hk/books?id=eyxSAQAAMAAJ&hl=&source=gbs_api