@article{115971,
      author = {Clark, James F. and Drum, William O.},
      url = {http://library.usi.edu/record/115971},
      title = {Basic programming for the IBM PC /},
      publisher = {South Western Pub. Co.,},
      recid = {115971},
      pages = {viii, 506 p. :},
      address = {Cincinnati :},
      year = {1987},
}