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Organization of the Station and Cultivation of Sugar Cane in Porto Rico

Melville Amasa ScovellAlbert E. MenkeFrederick William ZerbanJohn Robert JohnstonJosiah Thomas CrawleyHector F. HillenmeyerR. T. Gunn

出版	Kentucky Agricultural Experiment Station of the State College of Kentucky, 1911
URL	http://books.google.com.hk/books?id=zzpIAQAACAAJ&hl=&source=gbs_api