@inCollection{BernardiniFPP-POC1993, author = {F. Bernardini and V. Ferrucci and A. Paoluzzi and V. Pascucci}, title = {A Product Operator on Cell Complexes}, booktitle = {2nd ACM/IEEE Symposium on Solid Modeling and Applications}, year = 1993, editor = {J. Rossignac and J. Turner and G. Allen}, publisher = {{ACM} Press}, address = {New York, {NY}}, pages = {43--52}, note = {SMA 93}, }