Blacklight, 2012 - 2017
Cubes, 1973 - 1986
Lyrical Neon, 2006
Step-On, 1975
Licht vor Licht, 1978 - 1983
Studien 1972 - 1976
Neon Stage, 2011
Squares, 2011 - 2017
Discs, 2006 - 2008
Early works
Sirius, 1980 - 1983
Dual colors, 1999 - 2008
Light in a box, 1993
Circles, 1999 - 2009
