1.
2.
3.
East Kilbride [Scotland] : Licensing Executives Society International, 1989.
English | 48 US |
4.
East Kilbride [Scotland] : Licensing Executives Society International, 1977.
English | 48 US |
5.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1994.
German | 29 DE |
6.
7.
8.
9.
10.