Sedimentary microfacies of the Paleogene Dongying Formation in Liuchu Oilfield in Raoyang Sag of Central Hebei Depression and its development significance
Zhang Shujuan, Luo Yongsheng, Liu Dating
JOURNAL OF PALAEOGEOGRAPHY . 2008, (3): 231 -239 .  DOI: 10.7605/gdlxb.2008.03.002