@inProceedings{PaoluzziDNR-SMC1988,
   author =    {A. Paoluzzi and D. Del Bufalo and A. Nistri and M. Rosina},
   title =     {Solid Modeling and Computer Graphics Rendering of the
                Coliseum in Rome},
   booktitle = {Proceedings of the XVI ISPRS'88},
   year =      1988,
   address =   {Kyoto},
}