Martien Molenaar, Sylvia de Hoop (Eds.):
Advanced Geographic Data Modelling 1994 (AGDM'94), Spatial Data Modelling and Query Languages for 2D and 3D Applications, Proceedings, Delft, The Netherlands, 12-14 September 1994.
Published by the Netherlands Geodetic Commission, Publications on Geodesy No. 40 Contents