@article{122413,
      note = {Includes index.},
      author = {Artino, Ralph A., and Gaglione, Anthony M. and Shell,  Niel.},
      url = {http://library.usi.edu/record/122413},
      title = {The contest problem book IV : annual high school  examinations, 1973-1982 /},
      publisher = {Mathematical Association of America,},
      recid = {122413},
      pages = {xiv, 184 p. :},
      address = {Washington :},
      year = {1983},
}