1.
Buffalo, New York : The Patent and Trademark Office Society, 1983.
English | 47 US |
2.
München [Germany] : Mitteilungen der deutschen Patentanwälte, 1983.
German | 43 DE |
3.
London [England] : Informa Law, 1988.
English | 53 GB |
4.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1986.
German | 29 DE |
5.
[Place of publication not identified] : : Instituto Nacional Da Propriedade Indust, 1990.
English | INPI.W |