@TechReport{KuchenLoogenMorenoNavarroRodriguezArtalejo90,
  author =    {Kuchen, H. and Loogen, R. and Moreno Navarro, J.J. and Rodriguez Artalejo, M.},
  title =     "Lazy {N}arrowing in a {G}raph {M}achine",
  institution = "RWTH Aachen",
  year =      "1990",
  number =    "AIB-11-1990",
  url =       "http://aib.informatik.rwth-aachen.de/1990/1990-11.ps.gz",
}