[1] X Wang, S Jiang, A W A Kellner et al. Current Biology, 24, 1323(2014).
[2] M Martill D. Current Biology, 24, R615(2014).
[3] X Wang, A W A Kellner, S Jiang et al. Science, 358, 1197(2017).
[4] C Deeming D. Science, 358, 1124(2017).
[9] Ying LI, Wu-gan LUO, Yi-min YANG et al. Scientia China Earth Sinica, 64, 458(2021).
[10] X Peng, F Ma X, Y Wang et al. Journal of Sol-Gel Science and Technology, 94, 347(2020).
[12] A Arnold, K Zehnder. The Conservation of Wall Paintings, 1, 103(1991).