1.
2.
3.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1979.
German | 28 DE | Available |
4.
Wien [Austria] : MAN'Sche Verlags- und Universitätsbuchhandlung GmbH, 1981.
German | 6 AT | Available |
5.
London [England] : European Law Centre, 1989.
English | F 42 FYS.S | Available |
6.
Courbevoie [France] : Institut National de la Propriété Industrielle, 1980.
Spanish | 10A OMPI | Available |
7.
8.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1983.
German | 28 DE | Available |
9.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1984.
German | 29 DE | Available |
10.
[Place of publication not identified] : [publisher not identified], 1981.
German | 28 CH | Available |