5ARBIZZANI R, CASELLATO U, FLORIN E, et al. Decay markers for the preventative conservation and maintenance of paintings [ J]. Journal of Cultural Heritage, 2004, 5 (2) :167-182.
6HALL K, MEIKLEJOHN L, AROCENA J. The thermal responses of rock art pigments: Implications for rock art weathering in southern Mrica [ J]. Geomorphology, 2007,91 ( 1 -2) :132 - 145.