Are our descendants doomed? : Technological change and population growth / Edited by Harrison Brown and Edward Hutchings, Jr. Brown, Harrison 1917-1986, ed. Hutchings, Edward ed. California Institute of Technology. Population Congresses. Birth control Congresses. Technology Social aspects Congresses. 301.243 BRA Includes bibliographical references and index. New York : Viking Press ; 1972. 1972. 1972 Text vi, 377 p. : eng