@article{perez_bayle_lafontaine_judeinstein_1997,  title={Fine tuning of the properties of organically modified heteropolymetalates},  volume={8},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50531997000100015},  DOI={10.1590/S0103-50531997000100015},  number={1},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Perez, F. and Bayle, J. P. and Lafontaine, E. and Judeinstein, P.},  year={1997},  pages={83–86} }