1. General policy of a company in order to protect and defend its trademarks abroad;Gal;Revista Mexicana de la Propiedad Industrial y Artistica,1970
2. General policy of a company in order to protect and defend its trademarks abroad;Gal;Revista Mexicana de la Propiedad Industrial y Artistica,1970
3. The trademark question;de Sanso;Revista Mexicana de la Propiedad Industral y Artistica, Year III,1965
4. The manipulation of demand; the trademark problem;Di Tella,1973