Communication and democracy : exploring the intellectual frontiers in agenda-setting theory / edited by Maxwell E McCombs ; Donald L. Shaw ; David Weaver McCombs, Maxwell ed. Shaw, Donald L. ed. Weaver, David ed. Mass media -- Political aspects. Press and politics. Mass media and public opinion. 302.23 COM Includes index. Mahwah, NJ : Lawrence Erlbaum Associates, c1997. c1997. 1997 Text xiii, 272 p. : eng LEA's communication series.