Steel (2019)

Galaxies (2018)

Dances (2016)

Circulations (2016)

U.F.O. (2012)

Forces (2012)

Travellers (2008)

Placements (2006)

Spiegel (2004)

Sputnik (1997)

Haengende (1994)

Glas.Kupfer (1992)

Beton.Kupfer (1988)