Comparison of gamma-ray sources which used tomeasure of material density especially -metals andalloys- via using transmission technique
Physical analysis (XRF, NAA, Gamma Ray Transmission) of silver “denari” coined by the mints of Verona and Venice in XII-th century, belonging to the hoard by Ponte di Brenta, in New Paths in the use of Nuclear Techniques for Art and Archaeology, atti del convegno (Trieste 1985)