000 00246nam a2200109Ia 4500
082 _a621.38275 GUP
100 _aGUPTA, S.C.
245 _aOPTICAL FIBRE COMMUNICATION AND APPLICATIONS
260 _bP.H.I.
_c2004
300 _a466
942 _2ddc
_cB
999 _c58918
_d58918