@article{lourenço_fernandes_súarez_2012,  title={Spatial and temporal variation in population structure of Hemigrammus marginatus (Characiformes: Characidae) in streams of the Ivinhema River Basin, Brazil},  volume={29},  ISSN={1984-4670},  url={https://doi.org/10.1590/S1984-46702012000400003},  DOI={10.1590/S1984-46702012000400003},  number={4},  journal={Zoologia (Curitiba)},  publisher={Sociedade Brasileira de Zoologia},  author={Lourenço, Luzia da Silva and Fernandes, Izaias Médice and Súarez, Yzel Rondon},  year={2012},  month={Aug},  pages={300–307} }