Centro de Documentação da PJ 25800 |
| HAGER, Claudia Steganography and digital watermarking : improved interoperability could promote the widespread use of digital watermarks / Claudia Hager Keesing Journal of Documents & Identity, Amsterdam, Issue 10 (2005), p. 18-21 CD 350. PASSAPORTE, SEGURANÇA DE DOCUMENTO, BIOMETRIA |