@article{articledf65f84f,
title   = {Geographic variation in Tetragonisca angustula (hymenoptera, Apidae, Meliponinae)},
author = {Castanheira, Eliana Barroso and Contel, Eucléia Primo Betioli},
year = {2005},
doi = {10.1080/00218839.2005.11101157},
journal   = {Journal of Apicultural Research}
}