@book{OPUS4-18498,
  title     = {Proceedings of the Fifth Dutch German Workshop on Nonmonotonic Reasoning Techniques and their Applications, DGNMR'2001, Potsdam, 4. - 6. April 2001},
  editor    = {Brewka, Gerhard and Witteveen, Cees and Schaub, Torsten H.},
  address   = {Potsdam},
  year      = {2001},
  language  = {en}
}
@book{OPUS4-19402,
  title     = {Advances in neural information processing systems 12 : proceedings of the 1999 conference},
  editor    = {Solla, Sara A. and M{\"u}ller, Klaus-Robert},
  publisher = {MIT Press},
  address   = {Cambridge, Mass.},
  isbn      = {0-262-19450-3},
  year      = {2000},
  language  = {en}
}
@book{OPUS4-22017,
  title     = {Workshop on Implementing Automata : WIA99 - pre-proceedings ; Potsdam, Germany, 17 - 19. July 1999},
  series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Informatik},
  volume    = {1999, 4},
  journal   = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Informatik},
  editor    = {Boldt, Oliver and J{\"u}rgensen, Helmut and Robbins, L. E.},
  publisher = {Univ.},
  address   = {Potsdam},
  issn      = {0946-7580},
  pages     = {getr. Z{\"a}hl.},
  year      = {1999},
  language  = {en}
}
@misc{OPUS4-33848,
  title     = {Design thinking : understand - improve - apply},
  editor    = {Plattner, Hasso and Meinel, Christoph and Leifer, Larry},
  publisher = {Springer-Verlag Berlin Heidelberg},
  address   = {Berlin, Heidelberg},
  isbn      = {978-3-642-13756-3},
  pages     = {236 S.},
  year      = {2011},
  language  = {en}
}
@book{OPUS4-33866,
  title     = {Dsign thinking research : studying co-creation in practice},
  editor    = {Plattner, Hasso and Meinel, Christoph and Leifer, Larry},
  publisher = {Springer Berlin Heidelberg},
  address   = {Berlin, Heidelberg},
  isbn      = {978-3-642-21642-8},
  doi       = {10.1007/978-3-642-21643-5},
  pages     = {277 S.},
  year      = {2012},
  language  = {en}
}