1.
|
La Haye : Bureau Benelux Des Marques, 1996.
Dutch | K 940 QUA |
|
2.
|
Bruxelles : Bruylant, 1995.
French | K 940 LEC.N |
|
3.
|
Bruxelles : Larcier, 1994.
French | F 630 BRA.J |
|
4.
|
Tokyo [Japan] : International Association for the Protection of Intellectual Property (AIPPI), 1975.
English | 2 JP |
|