Protocetus (Spanish Wikipedia)

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

Last modified: 05:08:31, 12 June 2023 (UTC)

Ref.Un. Ref.Website

Global rank Spanish rank

6^th place

4^th place

archive.org (Global: 6^th place; Spanish: 4^th place)

Palmer, D., ed. (1999). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. Londres: Marshall Editions. p. 230. ISBN 1-84028-152-9.