Quantitative studies on depositional systems of the Shahejie Formation in Beidagang structural belt，Huanghua Depression
Wu Lingang, Zhu Xiaomin, Fan Leyuan, Zhong Dakang
JOURNAL OF PALAEOGEOGRAPHY . 2008, (3): 241 -250 .  DOI: 10.7605/gdlxb.2008.03.003