1.
[Place of publication not identified] : [publisher not identified], 1998.
57. Aufl.
German | F 13 SCH.I BD I | Available |
2.
Geneva : World Intellectual Property Organization, 1996.
English | E 1(2522) WIPO.B | Available |
3.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1997.
Danish | 29 DE | Available |
4.
5.
Seoul : Korean Industrial Property Office, 1991.
English | F 44 KOR | Available |
6.
Geneva [Switzerland] : World Intellectual Property Organization, 1991.
English | E 23191F630 WIPO.LIC/DDK | Available |
7.
8.
[Heidelberg, Germany] : [Springer], 1988.
English | 34 DE | Available |
9.