Proceedings of the Virtual And Augmented Reality (VR/AR) In Education - VARE 2011, Valmiera, Latvia, March 18, 2011, ISBN 978-9984-633-18-3, pp.137
Proceedings of the Virtual And Augmented Reality (VR/AR) In Education - VARE 2011, Valmiera, Latvia, March 18, 2011, ISBN 978-9984-633-18-3, pp.137