1.
|
[Geneva, Switzerland] : [World Intellectual Property Organization], 1982.
English | 6B OMPI |
|
2.
|
[Paris, France] : [UNESCO], 1982.
French | 6A OMPI |
|
3.
|
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1982.
German | 29 DE |
|
4.
|
[Heidelberg, Germany] : [Springer], 1982.
English | 34 DE |
|