000			00338nam a2200157Ia 4500
003			0STCL
008			150530s9999 xx 000 0 und d
040			_aSTCL _cSTCL
100			_aHoustoun, R.A.
245			_aTreatise on Light
260			_c1924
546			_aEnglish
942			_2ddc _cBK
999			_c29208 _d29208
005			20220125170145.0