1.
|
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1994.
German | 28 DE |
|
2.
|
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1992.
German | G 81(121) DE 28 |
|
3.
|
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1991.
German | 28 DE |
|
4.
|
Kln [et Al.] : Heymanns, 1990. 7. Aufl.
German | G 11 SCH.P(7) |
|