Wu, J, Luo, Q, Zhong, N, Goodarzi, F, Suchý, V, Sanei, H, Skovsted, C B, Li, M, Zhang, Y, Li, D, Wu, J & Song, D 2023, ' Chemical structure and thermal maturation of the vitrinite-like maceral in the Lower Paleozoic shales : Insights from Raman spectroscopy of artificial pyrolysis residues ', Journal of Analytical and Applied Pyrolysis, vol. 172, 106024 . https://doi.org/10.1016/j.jaap.2023.106024