@inproceedings{inproceedings73ff5909,
title   = {Fast and precise calculation of band gaps},
author = {Ferreira, Luiz Guimarães and Marques, Marcelo and Teles, L. K.},
year = {2008},
publisher = {SBF},
booktitle   = {Encontro Nacional de Física da Matéria Condensada}
}