Ursus maritimus tyrannus (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ursus maritimus tyrannus" in English language version.

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doi.org

handle.net

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

harvard.edu

ui.adsabs.harvard.edu

nih.gov

pubmed.ncbi.nlm.nih.gov

semanticscholar.org

api.semanticscholar.org

worldcat.org

search.worldcat.org