E. F. Codd. A Database Sublanguage Founded on the Relational Calculus. In E. F. Codd, A. L. Dean, editors, Proceedings of 1971 ACM-SIGFIDET Workshop on Data Description, Access and Control, San Diego, California, November 11-12, 1971. pages 35-68, ACM, 1971. [doi]
@inproceedings{Codd71, title = {A Database Sublanguage Founded on the Relational Calculus}, author = {E. F. Codd}, year = {1971}, tags = {relational database, e-science, database}, researchr = {https://researchr.org/publication/Codd71}, cites = {0}, citedby = {0}, pages = {35-68}, booktitle = {Proceedings of 1971 ACM-SIGFIDET Workshop on Data Description, Access and Control, San Diego, California, November 11-12, 1971}, editor = {E. F. Codd and A. L. Dean}, publisher = {ACM}, }