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2.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1996.
German | M 3413(13:121) DE 28 |
3.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1999.
German | M 341 DE 29 |
4.
[Place of publication not identified] : [publisher not identified], 1999.
English | 109 GB |
5.