@article{35131,
      author = {Cobb, Roger W. and Elder, Charles D.,},
      url = {http://library.usi.edu/record/35131},
      title = {Participation in American politics; the dynamics of  agenda-building},
      publisher = {Allyn and Bacon},
      recid = {35131},
      pages = {ix, 182 p.},
      address = {Boston,},
      year = {1972},
}