Libby, Willard F. Radiocarbon dating. / by Willard F. Libby - 2d ed. - [Chicago] University of Chicago Press, 1955 [impression 1958]. - ix, 175 p. : illus. 24 cm. Includes bibliography and index. Subjects--Topical Terms: Radiocarbon dating. Dewey Class. No.: 539.752 / LIR 1958