Early works
Red Explosion, 1971
Rainbow II, 1972
Metropolis, 1972
Helmhaus Zürich, 1972
Helmhaus Zürich, 1972
Helmhaus Zürich, 1972
Marmor/Granit Prisma, 1977
Trudel, 1973
Exhibition view, 1973
Trudelhaus, Baden
Switzerland
Trudel, 1973
Exhibition view, 1973
Trudelhaus, Baden
Switzerland
