Virveldyr (Norwegian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Virveldyr" in Norwegian language version.

refsWebsite

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1cmsdocs.s3.amazonaws.com

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cmsdocs.s3.amazonaws.com

The World Conservation Union. 2014. IUCN Red List of Threatened Species, 2014.3. Summary Statistics for Globally Threatened Species. Table 1: Numbers of threatened species by major groups of organisms (1996–2014).

tolweb.org

(en) Janvier, Philippe (1997): «Vertebrata. Animals with backbones» i: The Tree of Life Web Project,