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Occurence and Behaviour of Heterodera Hordecalis Andersson and H. Bifenestra Cooper in Sweden, with Some References to H. Avenae Wollenweber and a Similar Heterodera Sp

S. Andersson

出版	1976
URL	http://books.google.com.hk/books?id=ErqwQAAACAAJ&hl=&source=gbs_api