Gabriel Baum, Silvia E. Gordillo, Claudia Pons, Clara Smith, Carlos A. Tau. Conceptual Layers in an Object Oriented Database. An Unified Model. In Song C. Moon, Hideto Ikeda, editors, Proceedings of the 3rd International Conference on Database Systems for Advanced Applications (DASFAA), Daejeon, Korea, April 6-8, 1993. Volume 4 of Advanced Database Research and Development Series, pages 141-147, World Scientific, 1993.No reviews for this publication, yet.