1.
2.
3.
Wien [Austria] : MAN'Sche Verlags- und Universitätsbuchhandlung GmbH, 1975.
German | 29 DE |
4.
[Geneva, Switzerland] : [World Intellectual Property Organization], 1979.
English | 6B OMPI |
5.
[Geneva, Switzerland] : [World Intellectual Property Organization], 1983.
English | 6B OMPI |
6.
Müchen [Germany] : Verlag Dokumentation, 1971.
German | 5 DE |
7.
Wien [Austria] : MAN'Sche Verlags- und Universitätsbuchhandlung GmbH, 1975.
German | 6 AT |
8.
9.
Wien [Austria] : MAN'Sche Verlags- und Universitätsbuchhandlung GmbH, 1971.
German | 6 AT |
10.
[Geneva, Switzerland] : [World Intellectual Property Organization], 1982.
English | 6B OMPI |