E. F. Codd. Response to Why Codd s Rule No. 6 Must be Reformulated . SIGMOD Record, 18(1):16, 1989. [doi]
@article{Codd89:0, title = {Response to Why Codd s Rule No. 6 Must be Reformulated }, author = {E. F. Codd}, year = {1989}, tags = {rule-based, rules, e-science}, researchr = {https://researchr.org/publication/Codd89%3A0}, cites = {0}, citedby = {0}, journal = {SIGMOD Record}, volume = {18}, number = {1}, pages = {16}, }