1.
|
Geneva [Switzerland] : Geneve : Union International De Radiodiffusion, 1995.
English | P 23 RUM.A |
|
2.
|
Geneva, Switzerland : World Intellectual Property Organization, 1971.
English | E 3513 OMPI.B/EC |
|
3.
|
Geneva [Switzerland] : Geneve : Union Europeenne De Radiodiffusion, 1969.
French | P 23 RYD.C |
|
4.
|
[Paris, France] : [UNESCO], 1969.
French | 6A OMPI |
|