@article{articlee01231a0,
title   = {Dynamical Lorentz and CPT symmetry breaking in a 4D four-fermion model},
author = {Gomes, Marcelo Otávio Caminha and Mariz, T and Nascimento, J R and Silva, Adílson José da},
year = {2008},
doi = {10.1103/physrevd.77.105002},
journal   = {Physical Review D}
}