@book{6489,
	author = {Goldberg, Samuel I.},
	title = {Curvature and homology /},
	publisher = {Academic Press,},
	year = { c1962.},
	address = {New York :},
	note = {Reprint. Originally published: New York : Academic Press, 1962 (1970 printing) (Pure and applied mathematics ; 11)}
}