1.
|
[Paris, France] : [UNESCO], 1984.
French | 6A OMPI |
|
2.
|
[Geneva, Switzerland] : [World Intellectual Property Organization], 1984.
English | 6B OMPI |
|
3.
|
[Geneva, Switzerland] : [World Intellectual Property Organization], 1981.
Swiss german | 6B OMPI |
|
4.
|
[Paris, France] : [UNESCO], 1981.
French | 6A OMPI |
|
5.
|
New York, New York : Copyright Society of the USA, 1970.
English | 14 US |
|
6.
|
[Paris, France] : [UNESCO], 1982.
French | 6A OMPI |
|
7.
|
[Geneva, Switzerland] : [World Intellectual Property Organization], 1982.
English | 6B OMPI |
|