Polar bears : a complete guide to their biology and behavior
Text by Andrew E. Derocher; photographs by Wayne Lynch
Bok Engelsk 2012 Andrew E.. Derocher
| Utgitt | Baltimore : Johns Hopkins University Press , 2012
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|---|---|
| Omfang | IX, 249 s. : ill.
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| Emner | isbjørn adferd biologi
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| ISBN | 1421403056. - 9781421403052
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