000			00297nam a2200133Ia 4500
008			190201s9999 xx 000 0 und d
020			_a9.78007E+12
100			_a"Singh,R.P."
245		0	_aCommunication Systems
260			_aNew Delhi
260			_bTMH
260			_c2007
300			_a"xiii,584"
999			_c20509 _d20509