@article{fernandes_lona_2003,  title={The fluidized bed reactor with a prepolymerization system and its influence on polymer physicochemical characteristics},  volume={20},  ISSN={0104-6632},  url={https://doi.org/10.1590/S0104-66322003000200011},  DOI={10.1590/S0104-66322003000200011},  number={2},  journal={Brazilian Journal of Chemical Engineering},  publisher={Brazilian Society of Chemical Engineering},  author={Fernandes, F.A.N. and Lona, L.M.F.},  year={2003},  month={Apr},  pages={171–179} }