1.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1983.
German | 28 DE |
2.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1979.
German | 28 DE |
3.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1982.
German | 28 DE |
4.
5.
München [Germany] : Mitteilungen der deutschen Patentanwälte, 1983.
German | 43 DE |