1.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1991.
German | 28 DE |
2.
3.
London, England : Sweet & Maxwell, 1990.
English | 10 GB |
4.
[Heidelberg, Germany] : [Springer], 1991.
Danish | 34 DE |
5.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1991.
German | 28 DE |