| 000 | 00409 a2200145 4500 | ||
|---|---|---|---|
| 020 | _a0335143407 | ||
| 082 |
_a005.4 _bWID |
||
| 090 |
_c3333 _d4097 |
||
| 245 |
_aWider horizons _bunit 1 operating systems 1, unit 2 operating systems 2 |
||
| 260 |
_aLondon _bOpen University _c1988 _g1988 |
||
| 300 |
_a34p. _c27cm. |
||
| 650 | _aSYSTEMS PROGRAMMING | ||
| 650 | _aCOMPUTER PROGRAMMING PROGRAMS DATA | ||
| 942 | _cL | ||
| 999 |
_c32345 _d32345 |
||