1.
[Heidelberg, Germany] : [Springer], 1995.
English | 34 DE |
2.
Tokyo [Japan] : International Association for the Protection of Intellectual Property (AIPPI), 1993.
English | 2 JP |
3.
[Place of publication not identified] : [publisher not identified], 1998.
English | 109 US |
4.
Tokyo [Japan] : International Association for the Protection of Intellectual Property (AIPPI), 1993.
English | 2 JP |