@TechReport{HansKuchenWinkler93,
  author =    "W. Hans and H. Kuchen and St. Winkler",
  title =     "Full {I}ndexing for {L}azy {N}arrowing",
  institution = "RWTH Aachen",
  year =      "1993",
  number =    "AIB-18-1993",
  url =       "http://aib.informatik.rwth-aachen.de/1993/1993-18.ps.gz",
}