| 1981 | ||
|---|---|---|
| 2 | Prabuddha De, William D. Haseman, Yuk Ho So: Four-schema approach: An extended model for database architecture. Inf. Syst. 6(2): 117-124 (1981) | |
| 1976 | ||
| 1 | Larry Clough, William D. Haseman, Yuk Ho So: Designing optimal data structures. AFIPS National Computer Conference 1976: 829-837 | |
| 1 | Larry Clough | [1] |
| 2 | Prabuddha De | [2] |
| 3 | William D. Haseman | [1] [2] |