@inproceedings{TUW-137225, author = {Dittenbach, Michael and Merkl, Wolfdieter and Berger, Helmut}, title = {Free Speech for Tourists}, booktitle = {Proceedings of the 13th Australasian Conference on Information Systems}, year = {2002}, pages = {1145--1154}, organization = {A. Wenn, M. McGrath, F. Burstein}, publisher = {Australian Computer Society}, address = {Melbourne, Australia}, isbn = {1862726159} }