Good, David A, and David B Wake. 1997. “Phylogenetic and Taxonomic Implications of Protein Variation in the Mesoamerican Salamander Genus <i>Oedipina</i≫ (Caudata: Plethodontidae)”. Revista De Biología Tropical 45 (3):1185–1208. https://revistas.ucr.ac.cr/index.php/rbt/article/view/21413.