unit_editions:
Projekt No. 6, 1972
unit_editions:
Projekt No. 1, 1977
unit_editions:
Projekt No. 2, 1973
unit_editions:
Projekt No. 3, 1972
unit_editions:
Projekt No. 3, 1988
unit_editions:
Projekt No.1, 1969
unit_editions:
Projekt No. 5, 1977
unit_editions:
Projekt No. 4, 1978
unit_editions:
Projekt No. 6, 1978
unit_editions:
Projekt No. 3, 1980