@article{liu_oliveira_2007,  title={Electrodeposition of polypyrrole films on aluminum from tartrate aqueous solution},  volume={18},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532007000100016},  DOI={10.1590/S0103-50532007000100016},  number={1},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Liu, Andréa S. and Oliveira, Maria A. S.},  year={2007},  pages={143–152} }