@book{11456,
	author = {Conference on Classical (Non-Quantum) General Relativity and Bonnor, W. B.},
	title = {Classical general relativity :},
	publisher = {Cambridge University Press,},
	year = {1984.},
	address = {Cambridge [Cambridgeshire] ;},
	url = {http://www.loc.gov/catdir/description/cam031/84045247.html}
}