| Αναφορά | Derocher, A.E. and I. Stirling 1994 Age-specific reproductive performance of female polar bears (Ursus maritimus). J. Zool. Lond. 234:527-536. |
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| URL δημοσίευσης | |
| Ref. No. | 120447 |
| Γλώσσα | English |
| Χρήση | used in part |
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| Βρες αυτή την αναφορά στο | Google Scholar | Scirus | Species used from this reference |
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