000			00351nam a2200133Ia 4500
008			220120s9999||||xx |||||||||||||| ||und||
082			_a005.43 DHA
100			_aDhamdhere D. M
245		0	_aOperating sy ems
250			_a3rd
260			_aMcgraw hill book company _bNew Delhi _c2014
300			_a412 _b170
650			_aELECTRONICS AND COMMUNICATIONS
999			_c132967 _d132967