@book{139989,
	author = {Yoshigahara, Nobuyuki, and ebrary, Inc.},
	title = {Puzzles 101},
	publisher = {A K Peters,},
	year = {c2004.},
	address = {Natick, MA :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10159703}
}