| 000 | 00397 a2200157 4500 | ||
|---|---|---|---|
| 020 | _a0914894137 | ||
| 082 |
_a001.64 _bULL |
||
| 090 |
_c5624 _d7593 |
||
| 100 | _aUllman, Jeffrey D. | ||
| 245 | _aPrinciples of database systems | ||
| 260 |
_aPotomac _bComputer science press _c1980 _g1980 |
||
| 300 |
_a[vi], 379p. _c23cm. |
||
| 650 | _aCOMPUTER SCIENCE | ||
| 650 | _aDATA PROCESSING | ||
| 942 | _cL | ||
| 999 |
_c34486 _d34486 |
||