@article{liu_shi_li_xie_2021,  title={SEWAGE PERFORMANCE OF A NEW TYPE OF FLAP FILTER},  volume={41},  ISSN={0100-6916},  url={https://doi.org/10.1590/1809-4430-Eng.Agric.v41n2p135-147/2021},  DOI={10.1590/1809-4430-Eng.Agric.v41n2p135-147/2021},  number={2},  journal={Engenharia Agrícola},  publisher={Associação Brasileira de Engenharia Agrícola},  author={Liu, Zhenji and Shi, Kai and Li, Man and Xie, Yan},  year={2021},  month={Mar},  pages={135–147} }