Palaeoenvironmental changes from sporopollen record during the later Late Pleistocene at Shuidonggou locality 2 in Yinchuan，Ningxia
Liu Decheng, Gao Xing, Wang Xulong, Zhang Shuqin, Pei Shuwen, Chen Fuyou
JOURNAL OF PALAEOGEOGRAPHY . 2011, (4): 467 -472 .  DOI: 10.7605/gdlxb.2011.04.010