Data base description : proceedings of the IFIP TC-2 Special Working Conference on Data Base Description
edited by B. C. M. Douqué and G. M. Nijssen ; [organized by IFIP Technical Committee 2, Programming, International Federation for Information Processing]
North-Holland Pub. Co. , American Elsevier Pub. Co., 1975
549.9||5052049524
Includes bibliographical references