@book{95085,
	author = {Quayson, Ato. and ebrary, Inc.},
	title = {Calibrations},
	publisher = {University of Minnesota Press,},
	year = {c2003.},
	series = {Public worlds ;},
	address = {Minneapolis :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10151161}
}