Sylos Labini, Paolo. Oligopoly and technical progress / Translated from the Italian by Elizabeth Henderson. - Cambridge, Mass. : Harvard university press, 1962. - xiii, 206 p. : 22 cm. - Harvard economic studies ; v. 119 . - Harvard economic studies ; v. 119. . Bibliography: p.[195]-202. Subjects--Topical Terms: Oligopolies. Dewey Class. No.: 338.523 / SYO 1962