00277nam a2200109Ia 4500008004100000020001500041041000800056100002400064245003900088260003200127300000800159211209s1983    xx            000 0 und d  a0471083747  aeng  aWILLIAMSON SAMUEL J  aLIGHT AND COLOR IN NATURE AND ART   aSINGAPOREbJOHN WIELYc1983  a488