TIS-QL - A unified Query Language for Tourism Information Systems. - Anton Dunzendorfer; Josef Küng; Roland R. Wagner (J. Inf. Technol. Tour., 1998)

Configurable EDI for Heterogeneous Tourism Information Systems Based on XML. - Wolfram Wöß; Anton Dunzendorfer (ENTER, 2001)

Homogeneous EDI between Heterogeneous Web-Based Tourism Information Systems. - Wolfram Wöß; Anton Dunzendorfer (EC-Web, 2002)