000			00340nam a2200133Ia 4500
008			221231s9999 xx 000 0 und d
100			_aDhadhere  D M _91674
245		0	_aSystem Programming  and Operating System
260			_bTata McGraw-Hill
260			_c2000
300			_axvi,658
650			_aComputer Science _91675
942			_cBE_BK
999			_c2138 _d2138