@article{miranda_carvajal_baena_2015,  title={Effect of the Fuels Glycine, Urea and Citric Acid on Synthesis of the Ceramic Pigment ZnCr<sub>2</sub>O<sub>4</sub> by Solution Combustion},  volume={18},  ISSN={1516-1439},  url={https://doi.org/10.1590/1516-1439.019915},  DOI={10.1590/1516-1439.019915},  number={5},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Miranda, Edgar Andrés Chavarriaga and Carvajal, Juan Fernando Montoya and Baena, Oscar Jaime Restrepo},  year={2015},  month={Sep},  pages={1038–1043} }