000 00310nam a2200109Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
100 _aRoddy, Dennis Coolen, John
_9707
245 0 _aElectronic communications
260 _aPrentice hall of india
_bNew Delhi
_c2004
300 _b350
650 _aTELECOMMUNICATION
999 _c132047
_d132047