@book{56548,
	author = {Jenkins, David and Richard Michael G.},
	title = {Manual on the causes and control of activated sludge bulking, foaming, and other solids separation problems /},
	publisher = {IWA ;},
	year = {cop. 2004.},
	address = {London :},
	edition = {3rd ed.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=56548}
}