@article{article6ddd0301,
title   = {Extensive nucleolus organizer region polymorphism in Gymnotus carapo (Gymnotoidei, Gymnotidae)},
author = {Fernandes-Matioli, F M C and Almeida-Toledo, Lurdes Foresti de and Toledo Filho, Sílvio de Almeida},
year = {1997},
journal   = {Cytogenetics and Cell Genetics}
}