Conceptual Layers in an Object Oriented Database. An Unified Model. - Gabriel Baum; Silvia E. Gordillo; Claudia Pons; Clara Smith; Carlos A. Tau (DASFAA, 1993)

Formally Speaking About Schemata, Bases, Classes and Objects. - Carlos A. Tau; Clara Smith; Claudia Pons; Ana María Monteiro (DASFAA, 1995)

A Formal Lazy Replication Regime for Spreading Conversion Functions over Objectbases. - Clara Smith; Carlos A. Tau (SOFSEM, 1995)