@article{ramos_vartuli_2008,  title={Parametric resonance in dissipative field dynamics},  volume={38},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332008000400026},  DOI={10.1590/S0103-97332008000400026},  number={3b},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Ramos, Rudnei O. and Vartuli, R. A. S.},  year={2008},  month={Sep},  pages={511–514} }