1.
[Geneva, Switzerland] : [World Intellectual Property Organization], 1978.
English | 6B OMPI |
2.
3.
[Geneva, Switzerland] : [World Intellectual Property Organization], 1987.
English | 6B OMPI |
4.
5.
[Paris, France] : [UNESCO], 1987.
French | 6A OMPI |
6.
[Paris, France] : [Association frandcaise pour la diffusion du droit d'auteur national et international], 1982.
English | 53 FR |
7.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1995.
German | 29 DE |
8.
[Place of publication not identified] : [publisher not identified], 1992.
German | N 44(1) DE 29 |