1.
2.
3.
4.
5.
6.
Buffalo, New York : The Patent and Trademark Office Society, 1972.
English | 47 US |
7.
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1977.
German | 10B OMPI |
8.
[Place of publication not identified] : [publisher not identified], 1988.
French | 1 HK |
9.
New York, New York : International Trademark Association, 1990.
English | 64 US |
10.