@conference {Pellens2005b, title = {VR-WISE: A Conceptual Modelling Approach For Virtual Environments}, booktitle = {Proceedings of the 1st International Methods and Tools for Virtual Reality (MeTo-VR 2005) Workshop}, year = {2005}, address = {Ghent, Belgium}, author = {B. Pellens and W. Bille and O. De Troyer and F. Kleinermann} }