1.
|
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1991.
English | 10B OMPI |
|
2.
|
New York, New York : The Copyright Society of the USA, 2009.
English | US 14 |
|
3.
|
London [England] : Euromoney Institutional Investor PLC, 1991.
English | 72 GB |
|