| titel | year | author | event |
|---|---|---|---|
Herz |
1985 |
Hiltbrunner, Heinz
|
|
Zahl 2 |
Petter, Michèle
|
||
Totenkopf |
Saurer, Christoph
|
||
Musiknote |
Catania, Mariolina
|
||
links-rechts |
Gogniat, Michel
|
||
& |
Trummer, Beat
|
||
Zahl 4_Tetraeder |
1988 |
Graf, Urs
|
|
Zahl 7 |
Maag, Bruno
|