@incollection{BeelerGosperSchroeppel1972,
  author    = {{Michael Beeler and William Gosper and Richard Schroeppel}},
  title     = {{HAKMEM}},
  booktitle = {{Memo 239, Artificial Intelligence Laboratory, MIT}},
  year      = {{1972}},
  note      = {{ONR Contract N00014-70-A-0362-0002}},
}