 @article{pintão_cardoso_2017,  title={Elastic modulus of PVDF with bentonite or LiNbO<sub>3</sub> using deformation energy},  volume={27},  ISSN={0104-1428},  url={https://doi.org/10.1590/0104-1428.06016},  DOI={10.1590/0104-1428.06016},  number={3},  journal={Polímeros},  publisher={Associação Brasileira de Polímeros},  author={Pintão, Carlos Alberto Fonzar and Cardoso, Celso Xavier},  year={2017},  month={Jul},  pages={183–188} }