@article{bertran_cirino_freitas_2002,  title={Theoretical Studies of Concentrated Aqueous Urea Solutions Using Computacional Monte Carlo Simulation},  volume={13},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532002000200016},  DOI={10.1590/S0103-50532002000200016},  number={2},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Bertran, Celso A. and Cirino, José J. V. and Freitas, Luiz C. G.},  year={2002},  pages={238–244} }