@book{122486,
	author = {Lee, John M., and ebrary, Inc.},
	title = {Riemannian manifolds},
	publisher = {Springer,},
	year = {c1997.},
	series = {Graduate texts in mathematics ;},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=2004303}
}