1.
[Place of publication not identified] : [publisher not identified], 1997.
Spanish | 1 CO |
2.
3.
4.
Ottawa, Ontario : Intellectual Property Institute of Canada, 1995.
English | 4 CA |
5.
6.
7.
8.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1995.
German | 63767 N |
9.
10.
[Place of publication not identified] : [publisher not identified], 1995.
English | 112 US |