@article{6163,
      author = {Graf, Rudolf F. and Whalen, George J.,},
      url = {http://library.usi.edu/record/6163},
      title = {The build-it book of safety electronics /},
      publisher = {H.W. Sams,},
      recid = {6163},
      pages = {80 p. :},
      address = {Indianapolis, Ind. :},
      year = {1976},
}