In: SWIIS 2012. IFAC International Conference on International Stability and Systems Engineering, June 11-13, 2012, Waterford, Ireland, 2012-06-11 - 2012-06-13, [hiányzó városnév], Amerikai Egyesült Államok.
In: Digital Presentation and Preservation and Preservation of Cultural and Scientific Heritage, International Conference, Veliko Tarnovo, Bulgaria, September 18-21, 2012, Proceedings, 2012-09-18 - 2012-09-21, Veliko Trunovo, Bulgária.
Extending the GUIDE@HAND Tourist Guide Application with QR Codes for Museum Learning