Data description, access and control
Subtitle: proceedings.
By: Edited by E.F. Codd and A.L. Dean.
Contributors: Codd, E. F.; Dean, A. L.; Association for Computing Machinery. Special Interest Group on File Description and Translation.
Publisher: Association of Computing Machinery
Published: 1971
Place of publication: New York
Language: eng
Number of pages: 372
Subjects: Computer programming.; Electronic data processing.