@article{moraes_bered_carvalho_kaltchuk-santos_2008,  title={Morphological markers for microspore developmental stage in maize},  volume={51},  ISSN={1516-8913},  url={https://doi.org/10.1590/S1516-89132008000500006},  DOI={10.1590/S1516-89132008000500006},  number={5},  journal={Brazilian Archives of Biology and Technology},  publisher={Instituto de Tecnologia do Paraná - Tecpar},  author={Moraes, Ana Paula de and Bered, Fernanda and Carvalho, Fernando Irajá Felix de and Kaltchuk-Santos, Eliane},  year={2008},  month={Sep},  pages={911–916} }