In situ analysis of pigments on the murals of Yanshan Temple in Fanshi County, Shanxi Province, China by portable Raman and XRF spectrometersJunjie Ma, Yan Li, Furong Wu, Yuhang Wang, Hong Guo, Xiang He, Xiaotong Zhang and Fengping WangEur. Phys. J. Plus, 138 1 (2023) 48DOI: https://doi.org/10.1140/epjp/s13360-023-03690-2