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History of the First Quarter of a Century of the Agricultural Experiment Station at Rio Piedras, Puerto Rico

Melville T. CookPuerto Rico Agricultural Experiment StationJosé Idilio Otero

出版	University of Puerto Rico. Bureau of supplies, printing, and transportation, 1937
URL	http://books.google.com.hk/books?id=T7U9PwAACAAJ&hl=&source=gbs_api