1.
|
Nomos-Verl.-Ges : Baden-Baden [Germany], 1981.
German | 24 DE |
|
2.
|
[Geneva, Switzerland] : [World Intellectual Property Organization], 2009.
|
3.
|
[Place of publication not identified] : [publisher not identified], 1975.
German | 26 DE |
|
4.
|
Nomos-Verl.-Ges : Baden-Baden [Germany], 1976.
German | 24 DE |
|