1.
[Place of publication not identified] : [publisher not identified], 1981.
French | H 50 STA.P |
2.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1990.
German | 28 DE |
3.
4.
London, England : Sweet & Maxwell, 1979.
Italian | 10 GB |
5.
London [England] : Euromoney Institutional Investor PLC, 1993.
English | 72 GB |
6.
[Place of publication not identified] : [publisher not identified], 1991.
French | FR 66/A |