Boulengerula niedeni (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Boulengerula niedeni" in Bulgarian language version.

refsWebsite

Global rank Bulgarian rank

1iucnredlist.org

88^th place

4^th place

iucnredlist.org

apiv3.iucnredlist.org

John Measey, Patrick Malonza, Hendrik Mueller. Boulengerula niedeni // IUCN Red List of Threatened Species. International Union for Conservation of Nature, 2006. Посетен на 6 юли 2013. (на английски)