Environmental evolution since 230 ka BP recorded by Fengning loess section in Bashang area of Hebei Province
Mao Xin, Liu Linjing, Li Changan, Jiang Gaolei, Zhang Yufen, Zhao Hongmei, Bi Zhiwei
JOPC . 2017, (4): 745 -756 .  DOI: 10.7605/gdlxb.2017.04.059