@article{waldschmidt_campos_marco jr._1997,  title={Genetic variability of behaviorin Melipona quadrifasciata(Hymenoptera: Meliponinae)},  volume={20},  ISSN={0100-8455},  url={https://doi.org/10.1590/S0100-84551997000400007},  DOI={10.1590/S0100-84551997000400007},  number={4},  journal={Brazilian Journal of Genetics},  publisher={Sociedade Brasileira de Genética},  author={Waldschmidt, Ana Maria and Campos, Lúcio Antônio Oliveira and Marco Jr., Paulo De},  year={1997},  month={Dec},  pages={595–599} }