- Licht-Schatten-15 Opriff
- Licht-Schatten-16 Opriff
- Licht-Schatten-17 Opriff
- Licht-Schatten-18 Opriff
- Licht-Schatten-19 Opriff
- Licht-Schatten-20 Opriff
- Experimente II-01 Opriff
- Experimente II-02 Opriff
- Experimente II-03 Opriff
- Experimente II-04 Opriff
- Experimente II-05 Opriff
- Experimente II-06 Opriff
- Experimente II-07 Opriff
- Experimente II-08 Opriff
- 44 Opriff