000 00320nam a2200133Ia 4500
008 230913s9999 xx 000 0 und d
082 _a621.382 rao
100 _aRao, M Mukunda
245 0 _aOptical Communication
260 _bUPKAR PRAKASHAN
260 _c2000
300 _a168
650 _aElectronics Engineering
999 _c133843
_d133843