000			00345nam a2200157Ia 4500
008			170101s1955 xx 000 0 und d
082			_a537.535 C39A
100			_aCLARK, George L.
245		0	_aApplied x-rays
250			_a4th ed.
260			_bN. Y. _c1955
300			_a843p
650			_aX - RAYS
653			_aX - RAYS
942			_2ddc _cB
999			_c2936 _d2936