@article{pereira_souza_orlande_cotta_2001,  title={A comparison of concentration measurement techniques for the estimation of the apparent mass diffusion coefficient},  volume={18},  ISSN={0104-6632},  url={https://doi.org/10.1590/S0104-66322001000300005},  DOI={10.1590/S0104-66322001000300005},  number={3},  journal={Brazilian Journal of Chemical Engineering},  publisher={Brazilian Society of Chemical Engineering},  author={Pereira, L.M. and Souza, R. De and Orlande, H.R.B. and Cotta, R.M.},  year={2001},  month={Sep},  pages={253–265} }