@article{barros_sampaio_assis_ayres_cunha_1975,  title={A karyological study of Geoemyda punctularia punctularia (Daudin, 1802) from the Amazon region of Brazil (Chelonia, Emydidae)},  volume={5},  ISSN={0044-5967},  url={https://doi.org/10.1590/1809-43921975051095},  DOI={10.1590/1809-43921975051095},  number={1},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={Barros, Regina B. and Sampaio, Mário M. and Assis, M. F. and Ayres, Manuel and Cunha, Osvaldo},  year={1975},  month={Apr},  pages={95–96} }