1.
|
[Heidelberg, Germany] : [Springer], 1986.
English | 34 DE |
|
2.
|
Tokyo [Japan] : International Association for the Protection of Intellectual Property (AIPPI), 1990.
English | 2 JP |
|
3.
|
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1986.
German | 28 DE |
|
4.
|
Tokyo [Japan] : International Association for the Protection of Intellectual Property (AIPPI), 1992.
English | 2 JP |
|