1.
[Paris, France] : [UNESCO], 1998.
English | 3B UNESCO | Available |
2.
London [England] : Informa Law, 1998.
English | 57 GB | Available |
3.
[Place of publication not identified] : [publisher not identified], 1996.
German | 28 CH | Available |
4.
5.
6.
Buffalo, New York : The Patent and Trademark Office Society, 1997.
English | 47 US |
7.
Ottawa, Ontario : Intellectual Property Institute of Canada, 1996.
English | 4 CA |