Provenances of the Middle-Late Triassic in the Helan Mountain and its temporal-spatial evolution
Li Meng, Zhao Hong-Ge, Li Wen-Hou, Ren Zhan-Li, Zhuo Yu-Zhou, Fu Xing-Hui
JOPC . 2018, (6): 1068 -1085 .  DOI: 10.7605/gdlxb.2018.06.079