@article{,
      note = {"IB-I-3."},
      url = {http://library.usi.edu/record/104389},
      title = {Programmed instruction : algebraic fundamentals.},
      publisher = {Naval Air Technical Training Command,},
      number = {IB-I-3. CNATT-M 433 (Rev. 1-74) PAT},
      recid = {104389},
      pages = {i, 51 p. :},
      address = {[Washington, D.C.?] :},
      year = {1974},
}