@article{article0c551142,
title   = {The number of reproductive workers in highly eusocial Hymenoptera: monogyny and monandry},
author = {Santos Filho, Persio de Souza and Eterovic, A. and Kleinert, Astrid de Matos Peixoto and Imperatriz-Fonseca, Vera Lucia},
year = {2009},
doi = {10.4238/vol8-2kerr007},
journal   = {Genetics and Molecular Research}
}