1.
Tokyo [Japan] : Aippi Japan, 1998.
English | F 44 GOT.J |
2.
Tokyo [Japan] : Yuasa And Hara, 1997.
English | F 630 INT |
3.
München [Germany] : Mitteilungen der deutschen Patentanwälte, 1995.
German | 43 DE |
4.
Tokyo [Japan] : International Association for the Protection of Intellectual Property (AIPPI), 1993.
French | 2 JP |