000 00340nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
082 _a3
082 _bKAT
100 _a"Jr. Katzan, Harry"
245 0 _aOperating System
250 _aSecond Edition
260 _aNew Delhi
260 _bCBS
260 _c1987
300 _a"xii, 449"
999 _c27469
_d27469