@article{caffarena_ogasawara_2003,  title={Microstructure and hysteresis curves of samarium-holmium-iron garnet synthesized by coprecipitation},  volume={6},  ISSN={1516-1439},  url={https://doi.org/10.1590/S1516-14392003000400025},  DOI={10.1590/S1516-14392003000400025},  number={4},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Caffarena, Valeska da Rocha and Ogasawara, Tsuneharu},  year={2003},  month={Oct},  pages={569–576} }