@article{ZhaoLiWangetal.2022,
  author    = {Qiaojing Zhao and Xin Li and Jun Wang and Minmin Zhang and Cunliang Zhao and Jing Zhao and Balaji Panchal and Jialiang Ma},
  title     = {Occurrence of harmful elements in the 'high-aluminium coals' from the Pingshuo mining district, Shanxi Province, China},
  journal   = {Energy exploration \& exploitation},
  volume    = {40},
  number    = {3},
  pages     = {977 -- 994},
  doi       = {10.1177/01445987221092110},
  year      = {2022},
}