000			00313nam a2200145Ia 4500
008			170101s1968 xx 000 0 und d
082			_a535 V25W
100			_aVAN HEEL, A.C.S.
245		0	_aWhat is light
260			_bLondon _c1968
300			_a256p
650			_aLIGHT
653			_aLIGHT
942			_2ddc _cB
999			_c28837 _d28837