1.
2.
London [England] : The Intellectual Property Institute, 1995.
English | G 32 ADA.E |
3.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1991.
German | 32 G |
4.
5.
Geneva [Switzerland] : World Intellectual Property Organization, 1984.
English | E 2314F191 WIPO.SG/IP |
6.
[Place of publication not identified] : [Technische Akademie Wuppertal], 1988.
Danish | G 32 GAU.A |
7.
8.
Geneva [Switzerland] : World Intellectual Property Organization, 1984.
English | E 2314G31 WIPO.IFIA (F/E) |
9.
Montpellier : Université De Montpellier, 1982.
French | G 32 GRA.S |
10.
Berlin : Staatsverlag Der Ddr, 1967.
German | G 32 CIE.N |