000 00349nam a2200157Ia 4500
100 _aCongress
650 _aElectrical Engineering
942 _cRB
654 _aOpto-Elektronik
245 _aOpto-Elektronik
260 _bInternational Congress
_aGermany
_c1981
082 _a621.3
_bICITF
300 _a268
546 _aENGLISH
999 _c29351
_d29351