Grupo hermano (Spanish Wikipedia)

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

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biomedcentral.com

Padian, Kevin; Lindberg, David R.; Polly, Paul David (1 de mayo de 1994). «Cladistics and the Fossil Record: The Uses of History». Annual Review of Earth and Planetary Sciences 22 (1): 63-89. doi:10.1146/annurev.ea.22.050194.000431.
Kemp, T.S. (1 de enero de 1988). «Haemothermia or Archosauria? The interrelationships of mammals, birds and crocodiles». Zoological Journal of the Linnean Society 92 (1): 67-104. doi:10.1111/j.1096-3642.1988.tb01527.x.

Eernisse, D.J. «Introduction to Phylogeny: What is a Sister Taxon?». Biology 404 - Evolution. Department of Biological Science, California State University, Fullerton. Consultado el 4 de enero de 2012.