1. Semi-transparent optical coating for security holograms;Ahmed,2001
2. Optically resonant subwavelength films for tamperindicating tags and seal;Alvine,2015
3. The concept of printable holograms through the alignment of diffractive pigments;Argoitia,2004
4. The concept of printable holograms through the alignment of diffractive pigments;Argoitia,2004
5. Micro structured taggants in security pigments and inks;Argoitia,2008