000 00358nam a2200157Ia 4500
008 230913s9999 xx 000 0 und d
082 _a621.3827 gow
100 _aGower, John
245 0 _aOptical Communication System
250 _aII
260 _aNEW DELHI
260 _bPHI
260 _c1999
300 _a696
650 _aElectronics Engineering
999 _c131798
_d131798