000			00334nam a2200133Ia 4500
008			250430s9999||||xx |||||||||||||| ||und||
082			_aDHA _b.005.1
100			_aDHAMDHERE D M
245		0	_aSYSTEMS PROGRAMMING AND OPERATING SYSTEMS
250			_a2ND
260			_bTATA MC GRAW HILL _aNEW DELHI _c1999
300			_a658
942			_cBK
999			_c68281 _d68281