Július Koller
Meditation (U.F.O.)
1983
Conceptual Cultural Situation (U.F.O.)
1988
Projection (U.F.O.)
1973
Flying Cultural Situation (U.F.O.)
Anti Environnement a; b. (U.F.O.)
1980
Sculpture for Slovak National Gallery (U.F.O.)
Specifying of Form-Capacity (U.F.O.)
1976