@inproceedings{inproceedings64481f7c,
title   = {Observability analysis based on path graph concepts and triangular factorization of the Jacobian matrix},
author = {Benedito, Raphael Augusto de Souza and Moreira, Eduardo Marmo and London Junior, João Bosco Augusto and Bretas, Newton Geraldo},
year = {2008},
publisher = {IEEE},
booktitle   = {IEEE PES Transmission and Distribution Conference and Exposition: Latin America}
}