@techreport{HoepnerSiers2014,
  author    = {Hoepner, Gert and Siers, Carsten},
  title     = {6. Studie Vertriebskompass / durchgef{\"u}hrt von der FH Aachen und der Siers \& Collegen GmbH},
  publisher = {FH Aachen},
  address   = {Aachen},
  organization    = {FH Aachen},
  pages     = {35 Bl.},
  year      = {2014},
  language  = {de}
}
@techreport{ChwallekRadachSchieferdecker2015,
  author    = {Chwallek, Constanze and Radach, Karina and Schieferdecker, Richard},
  title     = {Innovation im Mittelstand : Studie zur Innovationsf{\"a}higkeit kleiner und mittlerer Unternehmen in der Region Aachen},
  organization    = {IHK Aachen},
  pages     = {20 Seiten},
  year      = {2015},
  language  = {de}
}