The Principle and Method on Dividing the Soil Ecological Region Refer to the Geological Condition
LI Xu-qian, JIANG Hui-zhong, ZHAO Xiao-bo, LI Hong-qing
SCIENTIA GEOGRAPHICA SINICA . 2002, (1): 114 -118 .  DOI: 10.13249/j.cnki.sgs.2002.01.114