000			00335nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c175
040			_aET
100			_aDeo narshing
245		0	_asystem simulation with digital comp.
260			_bPHI Learning p.l. _aNEW DELHI
300			_a200
500			_a60414
942			_cBK
999			_c66377 _d66377