The Evolution of the Freshwater Adaptation in Stingrays.

Autor(es): 
THORSON, T. B., BROOKS, D. R. & MAYES, M. A.
Referência completa: 
THORSON, T. B., BROOKS, D. R. & MAYES, M. A. (???). The Evolution of the Freshwater Adaptation in Stingrays. National Geographic Society Research Reports, Vol. 15:663-694.