@article{sawaya_marques_martins_2008,  title={Composition and natural history of a Cerrado snake assemblage at Itirapina, São Paulo state, southeastern Brazil},  volume={8},  ISSN={1676-0603},  url={https://doi.org/10.1590/S1676-06032008000200015},  DOI={10.1590/S1676-06032008000200015},  number={2},  journal={Biota Neotropica},  publisher={Instituto Virtual da Biodiversidade | BIOTA - FAPESP},  author={Sawaya, Ricardo Jannini and Marques, Otavio Augusto Vuolo and Martins, Marcio},  year={2008},  month={Apr},  pages={127–149} }