@inproceedings{inproceedings66ef2ec1,
title   = {Spermatozoan ultrastructure of Brycon cephalus (Gunther, 1869) (Pisces, Teleostei) confinement the Ribeira river valley, São Paulo, Brazil},
author = {Romagosa, E and Borella, Maria Inês and Parreira, S F and Narahara, M Y and Fenerich-Varani, N},
year = {1997},
booktitle   = {International Symposium on Biology of Tropical Fisches}
}