@article{rapôso_eon_2002,  title={On the Nature of Sandwiched Chromium Complexes in Exchanged alpha-Zirconium Phosphate},  volume={5},  ISSN={1516-1439},  url={https://doi.org/10.1590/S1516-14392002000400005},  DOI={10.1590/S1516-14392002000400005},  number={4},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Rapôso, Claudia Maria de Oliveira and Eon, Jean Guillaume},  year={2002},  month={Oct},  pages={421–426} }