@book{213188,
	author = {M�uller-Hill, Benno, and ebrary, Inc.},
	title = {The lac Operon},
	publisher = {Walter de Gruyter,},
	year = {1996.},
	address = {Berlin ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10598007}
}