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Technical Bulletin (University of Arizona. Agricultural Experiment Station).

Leo Joseph MoranUniversity of Arizona. Agricultural Experiment StationWilliam Thomas McGeorgeJ. L. AbbottEdward Lee Breazeale

出版	University of Arizona, 1955
URL	http://books.google.com.hk/books?id=D6NQAQAAMAAJ&hl=&source=gbs_api