1.
|
[Geneva, Switzerland] : [World Intellectual Property Organization], 1974.
English | 6B OMPI |
|
2.
|
[Paris, France] : [UNESCO], 1974.
French | 6A OMPI |
|
3.
|
Müchen [Germany] : Verlag Dokumentation, 1973.
German | 5 DE |
|
4.
|
Hamburg [Germany] : Film-Telegramm-Informationsdienst, 1972.
German | 24 DE |
|