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Sea Otters (Enhydra Lutris) and Steller Sea Lions (Eumetopias Jubatus) in the North Pacific

其他書名	Evaluating Mortality Patterns and Assessing Population Status at Multiple Time Scales
出版	University of California, Santa Cruz, 2009
URL	http://books.google.com.hk/books?id=twcTo5958QwC&hl=&source=gbs_api