1.
|
Köln : Heymanns, c2001.
German | G 71 TRE.S |
|
2.
|
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1992.
German | G 71 DE 28 |
|
3.
|
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1992.
German | G 74 DE 28 |
|
4.
|
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1992.
German | F 170 DE 29 |
|