@TechReport{Sabel:03:nondetIOinGHC,
  author =       {David Sabel},
  title =        {Realising nondeterministic {I}/{O} in the {G}lasgow {H}askell {C}ompiler},
  institution =  {Institut f\"ur {I}nformatik, {J}.{W}. {G}oethe-{U}niversit\"at {F}rankfurt am {M}ain},
  year =         2003,
  type =         {Frank report},
  number =       17,
  month =        {December}
}