Sea turtles : a complete guide to their biology, behavior and conservation /

por Spotila, James R.
Publicado 2004

Population assessment of the American crocodile, Crocodylus acutus (Crocodilia: Crocodylidae) on the Pacific coast of Costa Rica /

por Mauger, Laurie A., Mauger, Laurie A., Vélez, Elizabeth, Cherkiss, Michael S., Brien, Matthew L., Boston, Michael, Mazzotti, Frank J., Spotila, James R.