@article{aznar_silva telles_1997,  title={A DATA BANK OF PARAMETERS FOR THE ATTRACTIVE COEFFICIENT OF THE PENG-ROBINSON EQUATION OF STATE},  volume={14},  ISSN={0104-6632},  url={https://doi.org/10.1590/S0104-66321997000100003},  DOI={10.1590/S0104-66321997000100003},  number={1},  journal={Brazilian Journal of Chemical Engineering},  publisher={Brazilian Society of Chemical Engineering},  author={AZNAR, M. and SILVA TELLES, A.},  year={1997},  month={Mar},  pages={19–39} }