1.
Buffalo, New York : The Patent and Trademark Office Society, 1977.
English | 47 US |
2.
[Place of publication not identified] : [publisher not identified], 1976.
Finnish | 20 JP |
3.
London, England : Sweet & Maxwell, 1981.
English | 10 GB |
4.
Milano [Italy] : A. Giuffrè, 1987.
Italian | G 26S71(131) IT 23 |
5.
6.
[Place of publication not identified] : [publisher not identified], 1986.
Danish | 20 JP |
7.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1975.
German | 28 DE |
8.
The Hague [Netherlands] : National Council For Agricultural Res., 1989.
English | S 71 NRLO.P |
9.
Milano : Universita Degli Studi Di Milano, 1988.
Italian | S 71 GAM.T |
10.
Buffalo, New York : The Patent and Trademark Office Society, 1988.
English | 47 US |