1.
[Geneva, Switzerland] : [World Intellectual Property Organization], 1983.
Swiss German | 6B OMPI |
2.
[Geneva, Switzerland] : [World Intellectual Property Organization], 1979.
Swiss German | 6B OMPI |
3.
[Geneva, Switzerland] : [World Intellectual Property Organization], 1977.
Swiss German | 6B OMPI |
4.
[Geneva, Switzerland] : [World Intellectual Property Organization], 1975.
Swiss German | 6B OMPI |
5.
[Paris, France] : [UNESCO], 1983.
French | 6A OMPI |
6.
[Paris, France] : [UNESCO], 1979.
French | N 40(412) OMPI 6A |
7.
[Paris, France] : [UNESCO], 1977.
French | 10A OMPI |
8.
[Paris, France] : [UNESCO], 1975.
French | 6A OMPI |
9.
Agincourt, Ontario : Carswell Co., 1993.
English | 11 CA |