@article{19894,
      author = {Ryan, Daniel L.,},
      url = {http://library.usi.edu/record/19894},
      title = {Computer-aided graphics and design /},
      publisher = {M. Dekker,},
      recid = {19894},
      pages = {vii, 324 p. :},
      address = {New York :},
      year = {1979},
}