1.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1971.
German | 29 DE |
2.
Courbevoie [France] : Institut National de la Propriété Industrielle, 1972.
French | 10A OMPI |
3.
Buffalo, New York : The Patent and Trademark Office Society, 1972.
Danish | 47 US |
4.
Seoul, Korea : Asia-Pacific Lawyers Association, 1973.
English | 5 US |
5.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1973.
German | 28 DE |
6.
[Heidelberg, Germany] : [Springer], 1973.
English | 34 DE |
7.