@book{7047,
	author = {Torretti, Roberto,},
	title = {Philosophy of geometry from Riemann to Poincaré /},
	publisher = {D. Reidel Pub. Co.,},
	year = {c1978.},
	series = {Episteme ; v. 7},
	address = {Dordrecht-Holland ;},
	note = {Includes index.}
}