1.
|
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1999.
German | 29 DE |
|
2.
|
Köln : C. Heymanns, c1992. First edition.
German | T 23 BEI.W |
|
3.
|
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1994.
German | 29 DE |
|
4.
|
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1994.
German | 29 DE |
|