1.
Ottawa, Ontario : Intellectual Property Institute of Canada, 1998.
English | 4 CA |
2.
[Geneva, Switzerland] : [World Intellectual Property Organization], 1977.
Swiss german | 6B OMPI |
3.
Ottawa, Ontario : Intellectual Property Institute of Canada, 1995.
English | 4 CA |
4.
5.
6.
[Place of publication not identified] : [publisher not identified], 2000.
English | 109 GB |
7.
[Geneva, Switzerland] : [World Intellectual Property Organization], 1983.
Swiss german | 6B OMPI |
8.
[Geneva, Switzerland] : [World Intellectual Property Organization], 1979.
Swiss german | 6B OMPI |
9.
[Geneva, Switzerland] : [World Intellectual Property Organization], 1975.
Swiss german | 6B OMPI |
10.
New York, New York : The Copyright Society of the USA, 1993.
French | 14 US |