@article{articledeb58b63,
title   = {Miniature queens in stingless bees: basic facts and evolutionary hypotheses},
author = {Ribeiro, Marcia de Fatima and Wenseleers, Tom and Santos Filho, Persio de Souza and Alves, Denise de Araujo},
year = {2006},
doi = {10.1051/apido:2006023},
journal   = {Apidologie}
}