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Skovsneppen -Scolopax rusticola- som ynglefugl i Danmark. -The breeding population of the woodcock -Scolopax rusticola- in Denmark-

Ib Clausager

出版	Roende, 1972
URL	http://books.google.com.hk/books?id=ZXmtPgAACAAJ&hl=&source=gbs_api