Xing, Lida, Martin G. Lockley, Zheng Ren, Chang Liu, W. Scott Persons IV, Guangzhao Peng, Yong Ye, and Shan Jiang. “Dinosaur Tracks from Tang Dynasty Grottoes Area in Sichuan Province, China”. Biosis: Biological Systems 2, no. 2 (June 22, 2021): 283–292. Accessed November 22, 2024. https://ojs.bdtopten.com/eaapublishing/index.php/biosis/article/view/103.