Columbia subject headings:
Art--Philosophy.
Artists--Switzerland.
Visual perception.
Zaugg, Rémy, 1943-2005.
Harvard subject headings:
Art--Philosophy
Artists--Switzerland.
Visual perception
Zaugg, Rémy, 1943-2005.
Princeton subject headings:
Art--Philosophy.
Artists--Switzerland.
Visual perception.
Zaugg, Rémy, 1943-2005.