1.
Stockholm [Sweden] : Nordiskt Immateriellt Rèattsskydd (NIR), 1985.
English | 3 SE | Available |
2.
Stockholm, Sweden : Published for International Publishers Association by Almqvist & Wiksell International, c1980.
English | N 755 CAL.F | Available |
3.
London, England : Sweet & Maxwell, 1984.
English | 10 GB | Available |
4.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1983.
English | 29 DE | Available |