Himantura signifer (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Himantura signifer" in Bulgarian language version.

refsWebsite

Global rank Bulgarian rank

1iucnredlist.org

88^th place

4^th place

iucnredlist.org

apiv3.iucnredlist.org

Compagno, L.J.V. Himantura signifer // IUCN Red List of Threatened Species. International Union for Conservation of Nature, 2005. Посетен на 11 януари 2010. (на английски)