@book{10562,
	author = {D'Inverno, Ray.},
	title = {Introducing Einstein's relativity /},
	publisher = {Clarendon Press ;},
	year = {1992.},
	address = {Oxford [England] :},
	url = {http://www.loc.gov/catdir/enhancements/fy0604/91024894-d.html}
}