@article{articlecff19924,
title   = {Widespread occurrence of the American Bullfrog, Lithobates catesbeianus (Shaw, 1802) (Anura: Ranidae), in Brazil},
author = {Both, Camila and Lingnau, Rodrigo and Santos-Jr., Alfredo and Madalozzo, Bruno and Lima, Leoncio Pedrosa and Grant, Taran},
year = {2011},
doi = {10.2994/057.006.0203},
journal   = {South American Journal of Herpetology}
}