00662nam a2200169Ia 4500100001400000942000700014654001000021245003800031260003900069082001700108300000800125546001200133999001700145952011000162952011000272952011000382  aSharma/N   cBK  afibre  aFibre Optics in telecommunication  bTata Mc Graw hillaNew Delhic1987  a621.381bSHA  a191  aENGLISH  c19090d19090  001040708CRCaCRCEbCRCEd2023-03-17g180.00l0o621.381 SHAp1713r2023-03-17v180.00w2023-03-17yBK  001040708CRCaCRCEbCRCEd2023-03-17g180.00l0o621.381 SHAp1714r2023-03-17v180.00w2023-03-17yBK  001040708CRCaCRCEbCRCEd2023-03-17g180.00l0o621.381 SHAp1715r2023-03-17v180.00w2023-03-17yBK