000			00318nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c350
040			_aET
100			_aLathi B.P.
245		0	_aCommunication Systems
260			_bWilly Publication _aNEW DELHI
300			_a431
500			_a55595
942			_cBK
999			_c61608 _d61608