van Renesse, R. Optical Security and Counterfeit Deterrence Techniques. SPIE Digital Library.
Cita Chicago (17th ed.)van Renesse, Rudolf. Optical Security and Counterfeit Deterrence Techniques. SPIE Digital Library.
Cita MLA (9th ed.)van Renesse, Rudolf. Optical Security and Counterfeit Deterrence Techniques. SPIE Digital Library.
Atenció: Aquestes cites poden no estar 100% correctes.