000 00294nam a2200121Ia 4500
999 _c17805
_d17805
020 _a0201144646
100 _aHarold Lorin
245 _aSystems Programming Series Operating Systems
260 _c1981
_bADDISON WESLEY
_aLondon
300 _axxi+378
700 _aHarvey M Deitel
942 _cREF