@techreport{itb2457,
  author = {Rauner, Felix and Grollmann, Philipp and Martens, Thomas},
  title = {Messen beruflicher Kompetenz(entwicklung)},
  year = {2007},
  series = {ITB-Forschungsberichte},
  number = {21/2007},
  publisher = {Universität Bremen, Institut Technik und Bildung},
  language = {de},
}