Tong, Yue. “Sequence Paleogeography of the Middle Jurassic Shimengou Formation in the Yuka Area”. International Journal of Natural Resources and Environmental Studies 8, no. 4 (April 30, 2026): 15–18. Accessed August 10, 2026. https://ojs.ijnres.org/index.php/IJNRES/article/view/6136.