@TechReport{sagebaum13,
  author      = "Max Sagebaum and {Nicolas R.} Gauger and Uwe Naumann and Johannes Lotz and Klaus Leppkes",
  title       = "Algorithmic Differentiation of a Complex C++ Code with Underlying Libraries",
  institution = "RWTH Aachen",
  keywords    = "Automatic differentiation; Algorithmic differentiation; AD; dco; deal.II; Sacado; PETSc; external functions",
  year        = "2013",
  number      = "AIB-2013-04",
  month       = feb,
  url         = "http://aib.informatik.rwth-aachen.de/2001/2013-04.ps.gz"
}