Carlos A. Vanegas Daniel G. Aliaga Peter Wonka Pascal Müller Paul Waddell Benjamin Watson Modelling the Appearance and Behaviour of Urban Spaces. 25-42 2010 29 Comput. Graph. Forum 1 http://dx.doi.org/10.1111/j.1467-8659.2009.01535.x db/journals/cgf/cgf29.html#VanegasAWMWW10