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Population Ecology of the Mallard: Munro, R.E. and Kimball, C.F. Distribution and derivation of the harvest

David Raymond Anderson

出版	Bureau of Sport Fisheries and Wildlife, 1972
URL	http://books.google.com.hk/books?id=QDWDkmdFOi4C&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN

註釋

Simple experiments and observations reveal the physical properties of light.