@book{192763,
	author = {Ehn, Billy, and L�ofgren, Orvar. and ebrary, Inc.},
	title = {The secret world of doing nothing},
	publisher = {University of California Press,},
	year = {2010.},
	address = {Berkeley :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10395755}
}