1.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1988.
German | 28 DE |
2.
London [England] : Euromoney Institutional Investor PLC, 1999.
English | 72 GB |
3.
Tokyo [Japan] : International Association for the Protection of Intellectual Property (AIPPI), 1999.
English | 2 JP |