Geochemical Characteristics of Holocene Loess-Soil Profile on Changchengyuan Loess Tableland of Ningxia
YANG Hong-jin, HUANG Chun-chang, PANG Jiang-li, LI Yu-qin, MI Xiao-jian, ZHAO Ming
SCIENTIA GEOGRAPHICA SINICA . 2010, (1): 134 -140 .  DOI: 10.13249/j.cnki.sgs.2010.01.134