| 1993 | ||
|---|---|---|
| 4 | H. W. Buff: Remarks on Two New Theorems of Date and Fagin. SIGMOD Record 22(1): 55-56 (1993) | |
| 1992 | ||
| 3 | H. W. Buff: The Relational Model contra Entity Relationship? SIGMOD Record 21(3): 33-34 (1992) | |
| 1991 | ||
| 2 | H. W. Buff: A Complete Identity Set for Codd Algebras. SIGMOD Record 20(3): 50-51 (1991) | |
| 1988 | ||
| 1 | H. W. Buff: Why Codd's Rule No. 6 Must be Reformulated. SIGMOD Record 17(4): 79-80 (1988) | |