@article{batista_onofre_queiroz_oliva_fontes_nascimento_1997,  title={Synthesis, characterization and molecular structures of the pyridinium trans-Bis(pyridine)tetrachlororuthenate(III) and pyridinium trans-(carbonyl)(pyridine)tetrachlororuthenate(III)},  volume={8},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50531997000600013},  DOI={10.1590/S0103-50531997000600013},  number={6},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Batista, Alzir A. and Onofre, Sandra A. and Queiroz, Salete L. and Oliva, Glaucius and Fontes, Marcos R.M. and Nascimento, Otaciro R.},  year={1997},  pages={641–647} }