http://otonanokagaku.net/feature/vol9/index.html
http://www.exploratorium.edu/snacks/colored_shadows/
http://www.aomori-museum.jp/ja/blog/1175.html
ワークショップでの混色の使用は、以下のものに似ている
http://www.olafureliasson.net/exhibitions/your_chance_encounter_24.html
Slow-motion shadow in colour, 2009
Your chance encounter
21st Century Museum of Contemporary Art, Kanazawa, 2009-2010
Selected publications:
Olafur Eliasson: Your Chance Encounter. Exhibition catalogue. Baden: Lars Müller Publishers; Kanazawa: 21st Century Museum of Contemporary Art, 2010.