000 00296nam a2200133Ia 4500
100 _aSharma/N
942 _cBK
654 _afibre
245 _aFibre Optics in telecommunication
260 _bTata Mc Graw hill
_aNew Delhi
_c1987
082 _a621.381
_bSHA
300 _a191
546 _aENGLISH
999 _c19090
_d19090