000 00302nam a2200133Ia 4500
008 230401s2012 xx 000 0 eng d
082 _a621.38275
100 _aKEISER (GERD)
245 0 _aOPTICAL FIBER COMMUNICATIONS
250 _a4
260 _bDELHI TMH
_c2012
300 _a578
942 _2ddc
_cBTECH
999 _c250
_d250