Yan, Heping, Xiurong Wu, Qiang Li, Yinghui Fang, and Qingfeng Bu. “Feasibility Study on in-Situ Heat Injection of Tongchuan Oil Shale and Tar-Rich Coal Based on TG-DTG”. Bulletin of the Polish Academy of Sciences Technical Sciences 73, no. 4 (August 31, 2025): e154274 . Accessed May 28, 2026. https://wydawnictwo.pan.pl/index.php/bpasts/article/view/966.