@book{34085,
	author = {Ferraro, Rafael. and SpringerLink (Online service)},
	title = {Einstein's Space-Time},
	publisher = {Springer New York,},
	year = {2007.},
	address = {New York, NY :},
	url = {http://dx.doi.org/10.1007/978-0-387-69947-9}
}