1.
[Heidelberg, Germany] : [Springer], 1998.
English | 34 DE |
2.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1997.
German | 28 DE |
3.
[Heidelberg, Germany] : [Springer], 1996.
English | 34 DE |
4.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1996.
German | 29 DE |