Beshers, James M. Population processes in social systems [by] James M. Beshers. - New York, Free Press [c1967] - x, 207 p. 22 cm. Includes bibliographical references. LCCN: 67010621 Nat. Bib. No.: GB67-14984 Subjects--Topical Terms: Population. LC Class. No.: HB871 / .B4 Dewey Class. No.: 304.6 / BEP 1967