“Maceral Composition, Coal Characteristics and Depositional Environment of the Middle Jurassic Nariinsukhait Coal Deposit, Southern Mongolia”. Mongolian Geoscientist 29, no. 59 (December 27, 2024): 29–53. Accessed June 23, 2026. https://www.mongoliajol.info/index.php/MGS/article/view/3593.