@article{article5dcd6f28,
title   = {An alternative order parameter for the 4-state potts model},
author = {Fernandes, H. A. and Arashiro, Everaldo and Felício, José Roberto Drugowich de and Caparica, A. A.},
year = {2006},
doi = {10.1016/j.physa.2006.02.007},
journal   = {Physica A}
}