1.
London [England] : Euromoney Institutional Investor PLC, 1997.
English | 72 GB |
2.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1992.
German | 29 DE |
3.
4.
[Heidelberg, Germany] : [Springer], 1994.
English | 34 DE |
5.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1994.
Dutch | 29 DE |
6.