@article{article61aa8519,
title   = {Karyotype and nucleolus organizer regions of pyrrhulina cf. Australis ( pisces, characiformes, lebiasinidae)},
author = {Oliveira, C. and Andreata, A A and Almeida-Toledo, Lurdes Foresti de and Toledo Filho, Sílvio de Almeida},
year = {1991},
journal   = {Revista Brasileira de Genetica = Brazilian Journal of Genetics}
}