@inproceedings{inproceedingsb5c51c5b,
title   = {Lorentz violation and the proper-method},
author = {Mariz, T and Nascimento, J R and Santos, L Y and Silva, Adílson José da and Petrov, A Yu},
year = {2007},
publisher = {SBF},
booktitle   = {Encontro de Físicos do Norte e Nordeste}
}