Vanzolini, P. E. “Environmental Temperature and Number of Body Annuli in Amphisbaena Alba: Notes on a Cline (Sauria, Amphisbaenidae)”. Papéis Avulsos de Zoologia 21, no. 1-28 (1967-1968) (April 30, 1968): 231–241. Accessed July 17, 2024. https://revistas.usp.br/paz/article/view/209593.