1.
[Place of publication not identified] : [publisher not identified], 1988.
French | K 712 JUN.I |
2.
3.
New York : Practising Law Institute, 1986.
English | K 712 GRA |
4.
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1969.
English | 10B OMPI |
5.
6.
7.
8.
[Place of publication not identified] : [publisher not identified], 1971.
German | 29 DE |
9.
[Place of publication not identified] : [publisher not identified], 1986.
English | 4 CA |
10.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1986.
German | 29 DE |