1.
Müchen [Germany] : Verlag Dokumentation, 1991.
German | 5 DE |
2.
[Geneva, Switzerland] : [World Intellectual Property Organization], 2009.
English | View e-resource | Available Online |
3.
4.
Geneva, Switzerland : World Intellectual Property Organization, 1999.
English | E 3330 OMPI.A(A) |
5.
6.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1993.
German | 28 DE |
7.
Müchen [Germany] : Verlag Dokumentation, 1992.
German | N 627 DE 5 |
8.
[Place of publication not identified] : [publisher not identified], 1991.
German | N 44(254) DE 29 |
9.
10.