@incollection{Petersen2008,
  author    = {Petersen, Rudolf},
  title     = {Transport demand reduction (TDR)},
  booktitle = {Discussion paper for the symposium {"}Future challenges of transport and environment{"}},
  publisher = {William and Flora Hewlett Foundation},
  address   = {Menlo Park, CA},
  pages     = {8 -- 27},
  year      = {2008},
  language  = {en}
}