| 000 | 00422nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 180820s9999 xx 000 0 und d | ||
| 050 | _aC 001.642 K159o 1973 | ||
| 100 | _aKatzan, Harry jr. | ||
| 245 | 0 | _aOperating systems : a pragmatic approach | |
| 260 | _aNew York | ||
| 260 | _bVan Nostrand Reinhold Co. | ||
| 260 | _c1973 | ||
| 300 | _a387 | ||
| 650 | _aElectronic digital computers - Programming | ||
| 942 | _cBK | ||
| 999 |
_c59073 _d59073 |
||