Citations
Clare. John P. Axolotls. 2008. <www.axolotls.org>
Duellman, William E.; Trueb, Linda. 1994. Biology of Amphibians. Johns Hopkins University Press.
Malacinski, G. 1978. Introduction to the Symposium: Developmental Genetics of the Mexican Axolotl. American Zoologis. 18: 189-190
Mayfield, J. 2000. <http://inky.50megs.com/axolotls.html>
Mexican Axolotl. National Geographic. 2008 <http://animals.nationalgeographic.com/animals/amphibians/axolotl.html>
Petranka, J.W. 1998. Salamanders of the United States and Canada. Washington : Smithsonian Institution Press.
Shaffer, B and Voss, S.R. 1997. Adaptive evolution via a major gene effect: Paedomorphosis in the Mexican Axolotl. Proc. Natl. Acad. Sci. USA. 94: 14185-14189.
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