Reference
Yang Heng-Ren, Tang Tian-Fu, Lan Xiu, Hu Lan-Ying, Yu Cong-Liu, Zhang Yi-Yong, Zhong Shi-Lan, Wei Jing-Ming (1982): A preliminary study of the Upper Cretaceous of the Western Tarim Basin (South Xinjiang, China) with special reference to its transgressions – Zitteliana - Abhandlungen der Bayerischen Staatssammlung für Paläontologie und Histor. Geologie – 10: 115 - 121.