@article{articlea70ab666,
title   = {Phase synchronization in the perturbed Chua circuit},
author = {Baptista, M S and Pereira, Tiago and Sartorelli, J. C. and Caldas, Iberê Luiz and Rosa Junior, Epaminondas},
year = {2003},
doi = {10.1103/physreve.67.056212},
journal   = {Physical Review E}
}