SECT: An effective coding technique for polygonal geographic data. - Flavio Bonfatti; Lorenza Cavazza (Comput. Graph., 1988)

Relational data base design for the intensional aspects of a knowledge base. - Sonia Bergamaschi; Flavio Bonfatti; Lorenza Cavazza; Claudio Sartori 001; Paolo Tiberio (Inf. Syst., 1988)