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Comparison of Suction and Netting Methods in Population Investigations Concerning the Fauna of Grass Leys and Cereal Fields, Particularly in These Concerning the Leafhopper, Calligypona Pellucida (F.)

Osmo Heikinheimo

出版	Valtioneuvoston Kirjap, 1962
URL	http://books.google.com.hk/books?id=0CpGPwAACAAJ&hl=&source=gbs_api