000 00293nam a2200121Ia 4500
008 160710s1973 xx 000 0 und d
082 _a510.78 KAT
100 _aHARRY KATZAN
245 _aOPERATING SYSTEMS
260 _bVAN NOSTRAND REINHOLD COMPANY
_c1973
300 _a387
942 _2ddc
_cB
999 _c46344
_d46344