1.
[Place of publication not identified] : [publisher not identified], 1983.
German | 29 DE |
2.
[Place of publication not identified] : [publisher not identified], 1980.
German | 29 DE |
3.
4.
[Place of publication not identified] : [publisher not identified], 1979.
German | 29 DE |
5.
Stockholm [Sweden] : Nordiskt Immateriellt Rättsskydd (NIR), 1975.
Dutch | SE3 |
6.
7.
[Place of publication not identified] : [publisher not identified], 1971.
French | 9 FR |
8.
[Place of publication not identified] : [publisher not identified], 1967.
French | 6A OMPI |
9.
10.
Stockholm [Sweden] : Nordiskt Immateriellt Rättsskydd (NIR), 1984.
Swiss German | 3 SE |