000 00337nam a2200145Ia 4500
008 230913s9999 xx 000 0 und d
082 _a621.38 gup
100 _aGupta, Navneet
245 0 _aOptical Communications
260 _aDELHI
260 _bDHANPAT RAI
260 _c207
300 _a288
650 _aElectronics Engineering
999 _c134112
_d134112