Segal, Howard P. Future imperfect : the mixed blessings of technology in America / by Howard P. Segal. - Amherst, Mass. : The University of Massachusetts Press, c1994. - xv, 245 p. : ill. Includes bibliographical references and index. ISBN: 0870238817 Subjects--Topical Terms: Technology--United States--History--Case studies.Technology--Social aspects--United States--Case studies.