PGNAA Spectral Classification of Aluminium and Copper Alloys with Machine Learning. - Henrik Folz; Joshua Henjes; Annika Heuer; Joscha Lahl; Philipp Olfert; Bjarne Seen; Sebastian Stabenau; Kai Krycki; Markus Lange-Hegermann; Helmand Shayan (CoRR, 2024)