@article{LuebbeWeske2012,
  author    = {Luebbe, Alexander and Weske, Mathias},
  title     = {Determining the effect of tangible business process modeling},
  year      = {2012},
  language  = {en}
}
@article{LuebbeWeske2011,
  author    = {Luebbe, Alexander and Weske, Mathias},
  title     = {Bringing design thinking to business process modeling},
  isbn      = {978-3-642-13756-3},
  year      = {2011},
  language  = {en}
}