@misc{ThomassenHirsch2009,
  author    = {Peter Thomassen and Thomas Hirsch},
  title     = {12. Aachener Dienstleistungsforum am 2. und 3. September 2009},
  booktitle = {UdZ - Unternehmen der Zukunft},
  volume    = {10},
  number    = {2},
  issn      = {1439-2858},
  url       = {http://data.fir.de/download/maveroeff/sv5224.pdf},
  institution = {FIR e. V. an der RWTH Aachen},
  type      = {contributiontoperiodical},
  pages     = {73 -- 73},
  year        = {2009},
}