Global Geology     2011 14 (1):  54-58    ISSN: 1673-9736:  CN: 22-1371/P

Application of principal component analysis to evaluation of black soil degradation in Jilin
NIU Cencen, WANG Qing, WEN Xiuyu, GUO Yuan, ZHAGN Penglei, ZHU Rongyue and HE Xianhui
College of Construction Engineering,Jilin University,Changchun 130026,China
Received null  Revised null  Online 2011-03-25
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