@article{B{\"u}chlerFaix2015,
  author    = {B{\"u}chler, Jan-Philipp and Faix, Axel},
  title     = {Innovation ist messbar},
  series = {Ruhr Wirtschaft : das regionale Unternehmermagazin},
  number    = {1},
  issn      = {0343-1452},
  pages     = {2},
  year      = {2015},
  language  = {de}
}
@article{Faix2015,
  author    = {Faix, Axel},
  title     = {Ideen brauchen Freir{\"a}ume},
  series = {Ruhr Wirtschaft : das regionale Unternehmermagazin},
  number    = {11},
  issn      = {0343-1452},
  pages     = {1},
  year      = {2015},
  language  = {de}
}