Oso polar (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Oso polar" in Spanish language version.

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archive.org

bbc.co.uk

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books.google.com

bucknell.edu

departments.bucknell.edu

doi.org

dx.doi.org

fws.gov

fws.gov

ecos.fws.gov

alaska.fws.gov

howstuffworks.com

animals.howstuffworks.com

howstuffworks.com

issn.org

portal.issn.org

iucn-pbsg.org

iucnredlist.org

apiv3.iucnredlist.org

  • Wiig, Ø., Amstrup, S., Atwood, T., Laidre, K., Lunn, N., Obbard, M., Regehr, E. & Thiemann, G. (2015). «Ursus maritimus». Lista Roja de especies amenazadas de la UICN 2015.4 (en inglés). ISSN 2307-8235. Consultado el 24 de enero de 2016. 

jstor.org

links.jstor.org

nationalgeographic.com.es

nih.gov

ncbi.nlm.nih.gov

polarbearsinternational.org

uidaho.edu

cnrhome.uidaho.edu

web.archive.org

worldcat.org