1.
2.
3.
4.
[Place of publication not identified] : [publisher not identified], 1991.
German | K 9221(121) DE 29 |
5.
6.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1993.
German | 29 DE |
7.
8.
[Munich, Germany] : [Max Planck Institute], 2009.
English | View e-resource | Available Online |
9.
10.
Cheltenham, UK : Edward Elgar, 2013
English | F 649 KUR.E |