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| 020 | _a0-201-50967-9 | ||
| 041 | _aEnglish | ||
| 082 | _a001.6425/PET/OPE | ||
| 100 | _aJAMES L PETERSON | ||
| 245 | _aOPERETING SYSTEM CONCEPT | ||
| 250 | _a2ND | ||
| 260 |
_bADDISON- WESLEY _aSINGAPORE _c1985 |
||
| 300 | _c625P | ||
| 650 | _aCOMPUTER | ||
| 942 | _cBK | ||
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_c77607 _d77607 |
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