1.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1996.
German | 28 DE |
2.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1995.
German | 28 DE |
3.
4.
München [Germany] : Mitteilungen der deutschen Patentanwälte, 1995.
German | 43 DE |