@inbook{284,
  author = {Klemens Waldhör and Claudia Freidl and Alexander Rind and Kathrin Ecker},
  title = {TAI (Day Trip Indicator) – Measuring Value Added in the Tourism Sector},
  year = {2008},
  journal = {eTourism Case Studies: Management and Marketing Issues in eTourism},
  pages = {361–371},
  month = {Aug},
  publisher = {Elsevier},
  url = {http://books.google.at/books?id=6J4qnLeywS8C},
  language = {eng},
}