1.
New York, New York : International Trademark Association, 1971.
English | 64 US |
2.
3.
4.
[Place of publication not identified] : [publisher not identified], 1987.
French | K 9 GUS.P |
5.
New York : United States Trademark Association, 1984.
English | K 97 ANN |
6.
New York : United States Trademark Association, 1970-
English | K 97 ROS |
7.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1994.
German | 29 DE |