1.
|
Toronto : Butterworths, c1980.
English | N 626 SAR.A |
|
2.
|
[Geneva, Switzerland] : [World Intellectual Property Organization], 1987.
English | 6B OMPI |
|
3.
|
Müchen [Germany] : Verlag Dokumentation, 1979.
German | 5 DE |
|
4.
|
Bern [Switzerland] : Bpcie, 1914.
French | N 626 REG |
|
5.
|
Paris [France] : Librairies Techniques, 1960.
English | N 626 GEN.E |
|
6.
|
[Geneva, Switzerland] : [World Intellectual Property Organization], 1977.
English | 6B OMPI |
|
7.
|
[Paris, France] : [UNESCO], 1987.
French | 6A OMPI |
|
8.
|
Roma [Italy] : Biblioteca Nazionale Centrale di Roma, 1977.
Italian | 13 IT |
|