1.
2.
[Place of publication not identified] : [publisher not identified], 1993.
German | G 58 STO.T |
3.
[Place of publication not identified] : [publisher not identified], 1988-1989.
French | F 630 ZHA.T |
4.
[Place of publication not identified] : [publisher not identified], 1996.
English | 37 CH |
5.
The Hague [The Netherlands] : Kluwer Law International, 1991.
English | 27 GB |
6.
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1976.
English | 10B OMPI |
7.
8.
9.
[Place of publication not identified] : [publisher not identified], 1993.
English | 37 CH |
10.