@article{articled8842251,
title   = {What drives the Balmer extinction sequence in spiral galaxies?: Clus from the sloan digital sky Survey},
author = {Stasinska, G and Mateus Júnior, Abílio and Sodré Júnior, Laerte and Szczerba, R},
year = {2004},
journal   = {Astronomy and Astrophysics}
}