

@inbook {8740,
	title = {Activated Sludge and Aerobic Bioflim Reactors},
	booktitle = {Biological Wastewater Treatment Series},
	year = {2007},
	publisher = {International Water Association (IWA) Publishing},
	organization = {International Water Association (IWA) Publishing},
	edition = {5},
	address = {London},
	author = {von Sperling, M.}
}
