@book{49282,
	author = {Wahlberg, Ayo. and ebrary, Inc.},
	title = {Contested categories},
	publisher = {Ashgate Pub.,},
	year = {c2009.},
	series = {Series--theory, technology, and society},
	address = {Burlington, VT ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10343278}
}