000			00344nam a2200157Ia 4500
001			18781
008			170722s9999 xx 000 0 und d
245			_aProceedings, eng /
260			_c1970.
653			_aInterference
653			_aLight
653			_aPhysics
653			_aRadiation
700			_aWilliams, Ferd _eeditor.
942			_cGEN
999			_c77830 _d77830