@article{fernandes_lona_2000,  title={Fluidized bed reactor for polyethylene production. The influence of polyethylene prepolymerization},  volume={17},  ISSN={0104-6632},  url={https://doi.org/10.1590/S0104-66322000000200004},  DOI={10.1590/S0104-66322000000200004},  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={2000},  month={Jun},  pages={163–170} }