000			00372nam a2200169Ia 4500
008			240220s9999 xx 000 0 und d
041			_aENG
082			_a621.381.5
100			_aSingh R. P.
245		0	_aCommunication systems
260			_bTata Mcgraw Hill Publication Co
260			_c2005
300			_a592p.
365			_b235
650			_aETC
942			_cTEQUIP
999			_c1601 _d1601