@article{mazzuchelli_swarça_dias_2007,  title={Structural chromosome polymorphism in a Pimelodus maculatus La Cepède, 1803 population (Siluriformes, Pimelodidae) from the Paranapanema River basin, PR, Brazil},  volume={67},  ISSN={1519-6984},  url={https://doi.org/10.1590/S1519-69842007000500018},  DOI={10.1590/S1519-69842007000500018},  number={4},  journal={Brazilian Journal of Biology},  publisher={Instituto Internacional de Ecologia},  author={Mazzuchelli, J. and Swarça, AC. and Dias, AL.},  year={2007},  month={Dec},  pages={935–937} }