Non-Destructive Imaging of Worn-Off Hallmarks and Engravings from Metal Objects of Art Using Acoustic Microscopy (2004-06) On December 31, 2004 By NCPTT Read more
Image Recovery of Worn-Off Hallmarks on Silver and Gold Objects (2004-02) On December 31, 2004 By NCPTT Read more
Ultrasonic Non-Destructive Imaging of Worn-Off Hallmarks on Silver: Preliminary Results (2004-05) On December 31, 2004 By NCPTT Read more