@article{fuentes_mussati_aguirre_scenna_2009,  title={Experimental and theoretical investigation of anaerobic fluidized bed biofilm reactors},  volume={26},  ISSN={0104-6632},  url={https://doi.org/10.1590/S0104-66322009000300002},  DOI={10.1590/S0104-66322009000300002},  number={3},  journal={Brazilian Journal of Chemical Engineering},  publisher={Brazilian Society of Chemical Engineering},  author={Fuentes, M. and Mussati, M. C. and Aguirre, P. A. and Scenna, N. J.},  year={2009},  month={Jul},  pages={457–468} }