@article{mattedi_tavares_castier_1998,  title={GROUP CONTRIBUTION LATTICE FLUID EQUATION OF STATE: APPLICATION TO POLYMER+SOLVENT SYSTEMS},  volume={15},  ISSN={0104-6632},  url={https://doi.org/10.1590/S0104-66321998000300010},  DOI={10.1590/S0104-66321998000300010},  number={3},  journal={Brazilian Journal of Chemical Engineering},  publisher={Brazilian Society of Chemical Engineering},  author={Mattedi, S. and Tavares, F.W. and Castier, M.},  year={1998},  month={Sep},  pages={313–319} }