Xu, J.J.XuLo, S.-L.S.-L.LoSHANG-LIEN LO2020-02-252020-02-252019https://scholars.lib.ntu.edu.tw/handle/123456789/463244A case study on gravel-contact-aeration-oxidation system to treat the combined sewage and rainwater flowing into Keelung river, Taiwanjournal article10.5004/dwt.2019.241202-s2.0-85067950269https://www.scopus.com/inward/record.uri?eid=2-s2.0-85067950269&doi=10.5004%2fdwt.2019.24120&partnerID=40&md5=516f94c132c2c135212c85cd726009e0