Catálogo Biblioteca Central

International Convention further revising the Berne Convention for the protection of literary and artistic works of 9 september 1886 : Paris, 24 july 1971, amended on 2 october 1979

Gran Bretaña Foreign and Commonwealth Office

International Convention further revising the Berne Convention for the protection of literary and artistic works of 9 september 1886 : Paris, 24 july 1971, amended on 2 october 1979 Foreign and Commonwealth Office

Propiedad intelectual Literatura Artes

Tratado internacional