

@article {13979,
	title = {Trickling {Filter} and {Trickling} {Filter}-{Suspended} {Growth} {Process} {Design} and {Operation}: {A} {State}-of-the-{Art} {Review}},
	journal = {Water Environment Research},
	volume = {83},
	number = {5},
	year = {2011},
	month = {may},
	pages = {388{\textendash}404},
	issn = {10614303},
	doi = {10.2175/106143010X12681059117210},
	author = {Daigger, Glen T and Boltz, Joshua P}
}
