@article{articled4558439,
title   = {Defensive behaviour with stiff-legged posture in the Brazilian tree toads Dendrophryniscus brevipollicatus and D. leucomystax (Anura, Bufonidae)},
author = {Bertoluci, Jaime and Brassaloti, Ricardo Augusto and Sawakuchi, Henrique Oliveira and Ribeiro Jr., José Wagner and Woehl Jr., Germano},
year = {2007},
journal   = {Alytes}
}