@book{56936,
	author = {Costikyan, Greg. and ebrary, Inc.},
	title = {Uncertainty in games},
	publisher = {MIT Press,},
	year = {2013.},
	series = {Playful thinking},
	address = {Cambridge, Mass. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10674444}
}