@TechReport{HansWinkler92,
  author =    "Werner Hans and Stephan Winkler",
  title =     "Abstract {I}nterpretation of {F}unctional {L}ogic {L}anguages",
  institution = "RWTH Aachen",
  year =      "1992",
  number =    "AIB-43-1992",
  url =       "http://aib.informatik.rwth-aachen.de/1992/1992-43.ps.gz",
}