Enviar aquest missatge de text: Object-oriented databases--analysis, design & construction (DS-4) : proceedings of the IFIP TC2/WG 2.6 Working Conference on Object-Oriented Databases--Analysis, Design & Consruction, Windermere, United Kingdom, 2-6 July 1990 / edited by Robert A. Meersman, William Kent, Samit Khosla.