3D City Models and urban information: Current issues and perspectives R. Billen, A.-F. Cutting-Decelle, O. Marina, J.-P. de Almeida, M. Caglioni, G. Falquet, T. Leduc, C. Métral, G. Moreau, J. Perret, G. Rabin, R. San Jose, I. Yatskiv, S. Zlatanova
