Complementary mapping techniques to characterize the wood finish of musical instruments Michela Albano, Marta Ghirardello, Giacomo Fiocco, Cristian Manzoni, Marco Malagodi and Daniela Comelli Eur. Phys. J. Plus, 136 10 (2021) 1054 Published online: 20 October 2021 DOI: 10.1140/epjp/s13360-021-02033-3