@article{wolff_hreciuk_viana_zaleski_donatti_2007,  title={Population structure of Phalloceros caudimaculatus (Hensel, 1868) (Cyprinodontiformes, Poeciliidae) collected in a brook in Guarapuava, PR},  volume={50},  ISSN={1516-8913},  url={https://doi.org/10.1590/S1516-89132007000300008},  DOI={10.1590/S1516-89132007000300008},  number={3},  journal={Brazilian Archives of Biology and Technology},  publisher={Instituto de Tecnologia do Paraná - Tecpar},  author={Wolff, Luciano Lazzarini and Hreciuk, Ericsson Ricardo and Viana, Douglas and Zaleski, Tânia and Donatti, Lucélia},  year={2007},  month={May},  pages={417–423} }