@book{14345,
	author = {Spanish Relativity Meeting and Pascual S�anchez, J. F. and ebrary, Inc.},
	title = {Proceedings of the XXIII Spanish Relativity Meeting on Reference Frames and Gravitomagnetism},
	publisher = {World Scientific,},
	year = {c2001.},
	address = {Singapore ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10255921}
}