@book{93004,
	author = {Zweigert, Konrad, and Kötz, Hein,},
	title = {An Introduction to comparative law /},
	publisher = {Clarendon Press,},
	year = {1977.},
	address = {Oxford :},
	url = {http://www.loc.gov/catdir/enhancements/fy0604/98038155-d.html}
}