1.
2.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1992.
German | F 43(121) DE 28 |
3.
Bern [Switzerland] : Verlag Staempfli, 1997.
Second edition.
German | F 10 REH.T |
4.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1992.
German | F 6351(13) DE 29 |
5.
[Place of publication not identified] : [publisher not identified], 1992.
German | K 941 DE 29 |
6.
[Place of publication not identified] : [publisher not identified], 1991.
German | 28 CH |
7.
[Place of publication not identified] : [publisher not identified], 1991.
German | 29 DE |
8.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1991.
German | 28 DE |