@article{article8e100f05,
title   = {Preliminary results in the sexual dimorphism determination of the sea urchin Lytechinus variegatus variegatus (Lamarck, 1816), Echinoidea, Toxopneustidae},
author = {Abessa, Denis Moledo de Souza and Rachid, Bauer Rodarte de Figueredo and Sousa, Eduinetty Ceci Pereira Moreira de},
year = {2001},
doi = {10.1590/S1679-87592001000100011},
journal   = {Revista Brasileira de Oceanografia}
}