@article{73144,
      author = {Gallup, George,},
      url = {http://library.usi.edu/record/73144},
      title = {The Gallup Poll; public opinion, 1935-1971},
      publisher = {Random House,},
      recid = {73144},
      pages = {3 v. (xliv, 2388 p.)},
      address = {New York,},
      year = {1972},
}