Ente

Monografia (1978) International conference on data base management systems : 28–30 June 1978
Monografia (1979) Eurographics '79 : international conference and exhibiton : proceedings : Palazzo dei Congressi, Bologna, Italia, 25–27 October, 1979
Monografia (1980) Geometric modelling of rigid solids
Monografia (1980) International Conference on: Image Analysis and Processing : October 22–24, 1980 Pavia