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| | Bibliography - American Cetacean Society |
 | | Leatherwood, S., R. Reeves, W. Perrin, and W. Evans. |
 | | Leatherwood, S., R.R. Reeves, W.F. Perrin, and W.E. Evans. |
 | | Whales, Dolphins, and Porpoises of the Eastern North Pacific and Adjacent Arctic Waters, a Guide to Their Identification. |
| www.acsonline.org /factpack/bibliography.html (1170 words) |
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