@TechReport{Boerstler89,
  author =    {J\"urgen B\"orstler},
  title =     "Reuse and {S}oftware {D}evelopment - {P}roblems, {S}olutions, and {B}ibliography (in {G}erman)",
  institution = "RWTH Aachen",
  year =      "1989",
  number =    "AIB-05-1989",
  url =       "http://aib.informatik.rwth-aachen.de/1989/1989-05.ps.gz",
}