1.
[Paris, France] : [UNESCO], 1991.
French | 6A OMPI |
2.
München [Germany] : Mitteilungen der deutschen Patentanwälte, 1990.
German | 43 DE |
3.
[Paris, France] : [UNESCO], 1987.
French | 6A OMPI |
4.
Tokyo [Japan] : International Association for the Protection of Intellectual Property (AIPPI), 1984.
English | 2 JP |