title: Partial nitrification of non-ammonium-rich wastewater within biofilm filters under ambient temperature.
authors.affiliation: School of Civil Engineering, Wuhan University, 430072 Wuhan, China. hywangwhu@yahoo.com
authors.forename: Hongyu
authors.initials: H
authors.lastname: Wang
authors.forename: Jiajie
authors.initials: J
authors.lastname: He
authors.forename: Kai
authors.initials: K
authors.lastname: Yang