@article{article12044317,
title   = {A case of multiple mating in stingless bees (Meliponinae)},
author = {Imperatriz-Fonseca, Vera Lucia and Matos, E T and Ferreira, F. and Velthuis, H H W},
year = {1998},
doi = {10.1007/s000400050083},
journal   = {Insectes Sociaux}
}