@article{hashimoto_porto-foresti_2010,  title={Chromosome polymorphism of heterochromatin and nucleolar regions in two populations of the fish Astyanax bockmanni (Teleostei: Characiformes)},  volume={8},  ISSN={1679-6225},  url={https://doi.org/10.1590/S1679-62252010000400016},  DOI={10.1590/S1679-62252010000400016},  number={4},  journal={Neotropical Ichthyology},  publisher={Sociedade Brasileira de Ictiologia},  author={Hashimoto, Diogo Teruo and Porto-Foresti, Fábio},  year={2010},  pages={861–866} }