000			00360nam a2200169Ia 4500
100			_aDodd, Annabel Z.
080			_a621.38 Dod
526			_dTB
526			_aUG
366			_f20
250			_a5th ed .
942			_cBK
245			_aThe Essential guide to telecommunication
260			_aPearson _bNew Delhi _c2013
300			_axxvii, 483
546			_aE
999			_c72315 _d72315