@article{matos neto_resende_silva neto_gouveia_aguilar_bezerra_2015,  title={Sterile Clay Pozzolans from Phosphate Mining},  volume={18},  ISSN={1516-1439},  url={https://doi.org/10.1590/1516-1439.367014},  DOI={10.1590/1516-1439.367014},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Matos Neto, José Afonso de and Resende, Domingos Sávio de and Silva Neto, João Trajano da and Gouveia, Antônio Maria Claret de and Aguilar, Maria Teresa Paulino de and Bezerra, Augusto Cesar da Silva},  year={2015},  month={Dec},  pages={230–234} }