@TechReport{JeusfeldJohnen94,
  author =    "Manfred A. Jeusfeld and Uwe A. Johnen",
  title =     "An {E}xecutable {M}eta {M}odel for {R}e-{E}ngineering of {D}atabase {S}chemas",
  institution = "RWTH Aachen",
  year =      "1994",
  number =    "AIB-19-1994",
  url =       "http://aib.informatik.rwth-aachen.de/1994/1994-19.ps.gz",
}