@article{kerr_1997,  title={Sex determination in honey bees (Apinae and Meliponinae) and its consequences},  volume={20},  ISSN={0100-8455},  url={https://doi.org/10.1590/S0100-84551997000400008},  DOI={10.1590/S0100-84551997000400008},  number={4},  journal={Brazilian Journal of Genetics},  publisher={Sociedade Brasileira de Genética},  author={Kerr, Warwick Estevam},  year={1997},  month={Dec},  pages={601–612} }