000 00255nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aDHAMDHERE D M
245 _aSYSTEMS PROGRAMMING AND OPERATING SYSTEMS
250 _a2
260 _c1998
_bTATA MC GRAW HILL
999 _c25207
_d25207