@article{bauer-gogonea_bauer_gerhard-multhaupt_1999,  title={Monomorphs, bimorphs, and multimorphs from polar polymer electrets},  volume={29},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97331999000200012},  DOI={10.1590/S0103-97331999000200012},  number={2},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Bauer-Gogonea, Simona and Bauer, Siegfried and Gerhard-Multhaupt, Reimund},  year={1999},  month={Jun},  pages={306–317} }