@TechReport{NaumannAIB2005TCo,
  author =	 "Uwe Naumann",
  title =	 "The Complexity of Derivative Computation",
  institution =	 "RWTH Aachen",
  year =	 "2005",
  number =	 "AIB-2005-15",
  month =	 aug,
  url =          "http://aib.informatik.rwth-aachen.de/2005/2005-15.ps.gz",
}