@incollection{Mertens2008,
  author    = {Josef Mertens},
  title     = {Reduction of aerodynamic drag (RaWid)-Status after the first year of the program},
  booktitle = {New results in numerical and experimental fluid mechanics. - (Notes on numerical fluid mechanics ; 60)},
  isbn      = {3-528-06960-0},
  doi       = {10.1007/978-3-322-86573-1_2},
  year      = {2008},
}