@book{131280,
	author = {Hawking, Stephen,},
	title = {God created the integers :},
	publisher = {Running Press,},
	year = {c2007.},
	address = {Philadelphia :},
	edition = {New ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0831/2007920542-b.html}
}