@book{208216,
	author = {Clark, Mark W. and ebrary, Inc.},
	title = {Calculated risk},
	publisher = {Enigma,},
	year = {2007.},
	address = {New York :},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10360005}
}