@article{khan_crans_pauliukaite_norkus_2006,  title={Spectrometric and electrochemical investigation of vanadium(V) and vanadium(IV) tartrate complexes in solution},  volume={17},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532006000500012},  DOI={10.1590/S0103-50532006000500012},  number={5},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Khan, Ahmad R. and Crans, Debbie C. and Pauliukaite, Rasa and Norkus, Eugenijus},  year={2006},  month={Sep},  pages={895–904} }