Cast & crew
Structural Studies (1974)
Directed by Wilhelm Hein, Birgit Hein
Crew
| Wilhelm Hein | Director |
| Birgit Hein | Director |
| Wilhelm Hein | Director |
| Birgit Hein | Director |
Structural Studies (1974)
Directed by Wilhelm Hein, Birgit Hein
| Wilhelm Hein | Director |
| Birgit Hein | Director |
| Wilhelm Hein | Director |
| Birgit Hein | Director |