@article{Liu_2021,
title={Process Monitoring of Quality-Related Variables in Wastewater Treatment Using Kalman-Elman Neural Network-Based Soft-Sensor Modeling},
volume={13},
ISSN={2073-4441},
url={http://dx.doi.org/10.3390/w13243659},
DOI={10.3390/w13243659},
number={24},
journal={Water},
publisher={MDPI AG},
author={Liu,
Yiqi and Yuan,
Longhua and Li,
Dong and Li,
Yan and Huang,
Daoping},
year={2021},
month=dec,
pages={3659} }