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Factors Affecting the Population Status of Guadalupe Fur Seal, Arctocephalus Townsendi (Merriam, 1897), at Isla de Guadalupe, Baja California, Mexico

Juan Pablo Gallo Reynoso

出版	University of California, Santa Cruz, 1994
URL	http://books.google.com.hk/books?id=syo-AQAAIAAJ&hl=&source=gbs_api