1.
2.
Courbevoie [France] : Institut National de la Propriété Industrielle, 1982.
French | 10A OMPI |
3.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1982.
German | 29 DE |
4.
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1982.
English | 10B OMPI |
5.
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1982.
English | 10B OMPI |
6.
[Place of publication not identified] : [publisher not identified], 1976.
German | 29 DE |