Sauvy, Alfred, 1898-1990. General theory of population / with a foreword by E. A. Wrigley, translated [from the French] by Christope Campos. - London, Weidenfeld & Nicolson, 1969. - xiii, 551 p. 71 illus. 25 cm. Translation of Théorie générale de la population. Includes bibliographical references. ISBN: 0297763083 LCCN: 72452394 Nat. Bib. No.: B69-22586 Subjects--Topical Terms: Population.Demography. LC Class. No.: HB871 / .S25213 Dewey Class. No.: 304.601 / SAG 1969