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Geographical Variations of Mantle Colour, Body Measurements, and Egg Data in Larus Argentatus, L. Fuscus, L. Canus, and L. Marinus

Edvard K. Barth

出版	Universitetsforlaget, 1968
URL	http://books.google.com.hk/books?id=pmJ3IgAACAAJ&hl=&source=gbs_api