@book{7189,
	author = {Hawking, S. W. and Mlodinow, Leonard,},
	title = {A briefer history of time},
	publisher = {Bantam Books,},
	year = {c2005.},
	address = {New York :},
	url = {http://www.loc.gov/catdir/enhancements/ fy0624/2005042949-s.html}
}