Columbia subject headings:
Avant-garde (Aesthetics)--Switzerland--History--20th century.
Glass in art.
Kinetic art.
Megert, Christian, 1936---Criticism and interpretation.
Mirrors in art.
Zero (Group of artists)--Influence.
Harvard subject headings:
Megert, Christian, 1936---Criticism and interpretation.
Princeton subject headings:
Avant-garde (Aesthetics)--Switzerland--History--20th century.
Glass in art.
Kinetic art.
Megert, Christian, 1936---Criticism and interpretation.
Mirrors in art.
Zero (Group of artists)--Influence.