IFIP Working Conference on Modelling in Data Base Management Systems 1976: Freudenstadt, Germany

G. M. Nijssen (Ed.): Modelling in Data Base Management Systems, Proceeding of the IFIP Working Conference on Modelling in Data Base Management Systems, Freudenstadt, Germany, January 5-8, 1976. North-Holland, 1976, ISBN 0-7204-0459-2