A multi-analytical approach for the characterisation of 20th century paintingsFlavia Fiorillo, Chiara Matteucci, Martina Cataldo, Salvatore Andrea Apicella and Mariangela VandiniEur. Phys. J. Plus, 134 7 (2019) 373DOI: https://doi.org/10.1140/epjp/i2019-12752-5