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A Study of Helminthosporium Sativum P. K. & B. as an Unreported Parasite of Agrostis Palustris Huds

William Klomparens

出版	Michigan State College of Agriculture and Applied Science. Department of Botany and Plant Pathology, 1953
URL	http://books.google.com.hk/books?id=U3qsElsM0bsC&hl=&source=gbs_api