1.
[Place of publication not identified] : [publisher not identified], 1985.
English | K 331 REP |
2.
3.
New York, New York : International Trademark Association, 1980.
English | K 3313(412) US 64 |
4.
5.
6.
7.
[Place of publication not identified] : [publisher not identified], 1953.
German | K 331 MAR |
8.
[Heidelberg, Germany] : [Springer], 1979.
English | K 3313M235 DE 34 |
9.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1976.
German | 28 DE |