@INPROCEEDINGS{MerzMüller-JonesLamersdorf1995, author = {Michael Merz and Kay Müller-Jones and Winfried Lamersdorf}, title = {Electronic Market Support for the Tourism Industry: Requirements and Architectures}, booktitle = {W. Schertler, B. Schmid/A M. Tjoa/ H. Werthner (Hrsg.): Proc. Int. Konf. 'In-for-mation and Communications Tech-no-lo-gies in Tourism' (ENTER95)}, year = {1995} }