A. Scharl, A. Hubmann-Haidvogel, G. Wohlgenannt, A. Weichselbraun, and A. Dickinger. Proceedings of the 10th Brazilian Symposium on Human Factors in Computer Systems & 5th Latin American Conference on
Human-Computer Interaction (IHC-CLIHC-2011), page 376-380. Porto de Galinhas, Brazil, Brazilian Computing Society, (2011)
H. Lang, G. Wohlgenannt, and A. Weichselbraun. International Conference on Information Resources Management (Conf-IRM), Vienna, Austria, AIS, (2012)Forthcoming (accepted 6 February 2012).