1.
|
[Place of publication not identified] : [publisher not identified], 1987.
Spanish | N 741 HIL.A |
|
2.
|
München : C.H. Beck, 1983.
German | N 741 LIE.Z |
|
3.
|
[Paris, France] : [UNESCO], 1952.
French | 6A OMPI |
|
4.
|
Müchen [Germany] : Verlag Dokumentation, 1970.
German | 5 DE |
|