1.
|
[Place of publication not identified] : [publisher not identified], 2003. First edition.
English | F 21 EUR.I |
|
2.
|
[Place of publication not identified] : [publisher not identified], 2005. First edition.
English | N 634 LAS.D |
|
3.
|
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1982.
English | 10B OMPI |
|
4.
|
[Place of publication not identified] : [publisher not identified], 1985.
English | 19 US |
|