- Licht-Schatten-15 4112 bisita
- Licht-Schatten-16 4171 bisita
- Licht-Schatten-17 3174 bisita
- Licht-Schatten-18 3819 bisita
- Licht-Schatten-19 4093 bisita
- Licht-Schatten-20 3214 bisita
- Experimente II-01 1955 bisita
- Experimente II-02 1932 bisita
- Experimente II-03 1908 bisita
- Experimente II-04 1843 bisita
- Experimente II-05 1838 bisita
- Experimente II-06 1926 bisita
- Experimente II-07 1940 bisita
- Experimente II-08 2086 bisita
- 44 4063 bisita