 @article{pu_chen_chen_langhammer_2005,  title={Microstructure and dielectric properties of dysprosium-doped barium titanate ceramics},  volume={51},  ISSN={0366-6913},  url={https://doi.org/10.1590/S0366-69132005000300007},  DOI={10.1590/S0366-69132005000300007},  number={319},  journal={Cerâmica},  publisher={Associação Brasileira de Cerâmica},  author={Pu, Y. and Chen, W. and Chen, S. and Langhammer, Hans T.},  year={2005},  month={Jul},  pages={214–218} }