1.
2.
3.
4.
Buffalo, New York : The Patent and Trademark Office Society, 1968.
English | 47 US |
5.
Tokyo [Japan] : International Association for the Protection of Intellectual Property (AIPPI), 1979.
English | 2 JP |
6.
Buffalo, New York : The Patent and Trademark Office Society, 1972.
English | 47 US |
7.
8.
9.
The Hague [The Netherlands] : Kluwer Law International, 1971.
English | 27 GB |
10.