000 00302nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aS C Gupta
245 _aText Book on Optical Fiber Communication Systems
260 _bDelhi:PhI
_c2004
300 _a466p.
650 _aElectronic
999 _c1283
_d1283