1.
|
[Paris, France] : [UNESCO], 1985.
Spanish | 6A OMPI |
|
2.
|
New York, New York : Copyright Society of the USA, 1974.
English | 14 US |
|
3.
|
Hamburg [Germany] : Film-Telegramm-Informationsdienst, 1979.
German | 24 DE |
|
4.
|
[Heidelberg, Germany] : [Springer], 1977.
English | 34 DE |
|
5.
|
[Geneva, Switzerland] : [World Intellectual Property Organization], 1985.
English | 6B OMPI |
|