Application Standards for Tourism Products. Proposals for a programme of research. - Michael Baker; Andrew Lockwood; Silvia Sussmann (ENTER, 1996)

A Personal Travel Assistant for Holiday Selection - A Learning Interface Agent Approach. - Faria Yuen-yi Ng; Silvia Sussmann (ENTER, 1996)

Virtual Reality and the Tourism Product: Substitution or Complement? - Silvia Sussmann; Hugo J. Vanhegan (ECIS, 2000)