Zalakain, I., Berlanga, C., Álvarez, L., Asa, L.E., Labé, P., Rivero, P.J., Valencia, J. and Rodríguez, R. 2017. CHARACTERIZATION OF TWO CANNONBALLS FROM THE ROYAL AMMUNITION FACTORY OF EUGI. Journal of Mining and Metallurgy, Section B: Metallurgy. 54, 1 (Dec. 2017), 91-99.