000			00358nam a2200157Ia 4500
001			19697
008			170722s9999 xx 000 0 und d
100			_aParr, G.
245			_aCathode ray tube and its applications, eng /
250			_a3rd ed
260			_c1959.
653			_aCathode Ray
653			_aPhysics
700			_aDavie, O. H.
942			_cGEN
999			_c65513 _d65513