Callulina kreffti (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Callulina kreffti" in German language version.

refsWebsite

Global rank German rank

1,578^th place

1,429^th place

1iucnredlist.org

88^th place

196^th place

amnh.org

amphibiansOfTheWorld.amnh.org

Darrel R. Frost: Callulina kreffti Nieden, 1911. In: Amphibian Species of the World: an Online Reference. Version 6.0 (abgerufen am 25. April 2014). (online).

iucnredlist.org

apiv3.iucnredlist.org

Callulina kreffti in der Roten Liste gefährdeter Arten der IUCN 2013.2. Eingestellt von: Kim Howell, John Poynton, Simon Loader, Michele Menegon, 2004. Abgerufen am 21. Mai 2014.