Urso-do-atlas (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Urso-do-atlas" in Portuguese language version.

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doi.org

Calvignac, S.; Hughes, S.; Tougard, C.; Michaux, J.; Thevenot, M.; Philippe, M.; Hamdine, W.; Hanni, C. (2008). «Ancient DNA evidence for the loss of a highly divergent brown bear clade during historical times.». Mol. Ecol. 17: 1962–1970. doi:10.1111/j.1365-294x.2008.03631.x
Calvignac, Sebastien; Hughes, Sandrine; Hanni, Catherine (2009). «Genetic diversity of endangered brown bear (Ursus arctos) populations at the crossroads of Europe, Asia and Africa». Diversity and Distributions. 15: 742–750. doi:10.1111/j.1472-4642.2009.00586.x. Consultado em 18 de março de 2015
Pagano, A.M.; Durner, G.M.; Amstrup, S.C.; Simac, K.S.; York, G.S. (2012). «Long-distance swimming by polar bears (Ursus maritimus) of the southern Beaufort Sea during years of extensive open water.». Canadian Journal of Zoology. 90: 663–676. doi:10.1139/z2012-033