殘暴北極熊 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "殘暴北極熊" in Chinese language version.

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doi.org

Ingólfsson, Ólafur; Wiig, Øystein. Late Pleistocene fossil find in Svalbard: the oldest remains of a polar bear (Ursus maritimus Phipps, 1744) ever discovered. Polar Research. 2009, 28 (3): 455. doi:10.1111/j.1751-8369.2008.00087.x.

handle.net

hdl.handle.net

Kurtén, B. The evolution of the polar bear, Ursus maritimus Phipps. Acta Zoologica Fennica. 1964, 108: 1–26. hdl:10138/37762.