1.
2.
3.
Buffalo, New York : The Patent and Trademark Office Society, 1990.
English | 47 US |
4.
5.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1996.
English | 29 DE |
6.
7.
New York, New York : International Trademark Association, 1993.
English | 64 US |
8.
East Kilbride [Scotland] : Licensing Executives Society International, 1991.
English | 48 US |
9.
10.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1991.
German | 29 DE |