Provenance and depositional systems during the depositional period of interval 8 of Upper Triassic Yanchang Formation in Qingyang area，Ordos Basin
Yang Binhu, Bai Haiqiang, Dai Yaquan, Zha Li, Li Jian, Jin Wenqi, Liu Xinju
JOURNAL OF PALAEOGEOGRAPHY . 2008, (3): 251 -259 .  DOI: 10.7605/gdlxb.2008.03.004