@article{gomes_pires_serra_2004,  title={Morphological study of Sr2CeO4 blue phosphor with fine particles},  volume={27},  ISSN={0100-4042},  url={https://doi.org/10.1590/S0100-40422004000500005},  DOI={10.1590/S0100-40422004000500005},  number={5},  journal={Química Nova},  publisher={Sociedade Brasileira de Química},  author={Gomes, Janaína and Pires, Ana Maria and Serra, Osvaldo Antonio},  year={2004},  month={Sep},  pages={706–708} }