1.
[Place of publication not identified] : [publisher not identified], 1997.
Spanish | 8 AR |
2.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1997.
German | 28 DE |
3.
4.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1995.
German | 29 DE |
5.
6.
7.
8.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1993.
German | 29 DE |
9.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1992.
German | 28 DE |
10.