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- [4] Self-simalarity and the relationship between abundance and range size AMERICAN NATURALIST, 2001, 157 (04): : 374 - 386
- [5] Abundance and distribution of California sea lions (Zalophus califomianus) in central and northern California during 1998 and summer 1999 FISHERY BULLETIN, 2005, 103 (02): : 331 - 343