1.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1999.
German | 29 DE |
2.
3.
4.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1999.
German | 29 DE |
5.
6.
7.
8.
[Place of publication not identified] : [publisher not identified], 1998.
English | 37 CH |
9.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1997.
German | 29 DE |
10.
The Hague [The Netherlands] : Kluwer Law International, 1997.
English | 27 GB |