@article{vianna_vooren_2009,  title={Distribution and abundance of the Lesser electric ray Narcine brasiliensis (Olfers, 1831) (Elasmobranchii: Narcinidae) in southern Brazil in relation to environmental factors},  volume={57},  ISSN={1679-8759},  url={https://www.scielo.br/j/bjoce/a/NGvsYSPCRKjy6vfcGk4QcCq/},  number={2},  journal={Brazilian Journal of Oceanography},  publisher={Universidade de São Paulo, Instituto Oceanográfico},  author={Vianna, Gabriel Maciel de Souza and Vooren, Carolus Maria},  year={2009},  month={Apr},  pages={105–112} }