@inproceedings{inproceedingsea098323,
title   = {An enhanced model applied to the optimal power flow problem},
author = {Lage, Guilherme Guimarães and Sousa, Vanusa Alves de and Pereira, Leandro Sereno and Costa, Geraldo Roberto Martins da},
year = {2008},
booktitle   = {North American Power Symposium}
}