@article {peldszus2012direct,
	title = {Direct biofiltration pretreatment for fouling control of ultrafiltration membranes},
	journal = {Journal-American Water Works Association},
	volume = {104},
	number = {7},
	year = {2012},
	pages = {E430{\textendash}E445},
	author = {Peldszus, Sigrid and Benecke, Jan and Jekel, Martin and Huck, Peter M}
}
