TY - SCIENTIA GEOGRAPHICA SINICA A1 - ZHAO Yan-Feng, GUO Heng-Liang, SUN Zhi-Ying, SHI Xue-Zheng, WU Ke-Ning T1 - Principle Component Analyses Based on Soil Knowledge as a Tool to Indicate Origin of Heavy Metals in Soils Y1 - 2008-01-20 00:00:00.0 JF - SCIENTIA GEOGRAPHICA SINICA JO - SCIENTIA GEOGRAPHICA SINICA SP - 45 EP - 50 VL - 28 IS - 1 UR - {http://geoscien.neigae.ac.cn/EN/10.13249/j.cnki.sgs.2008.01.45} N1 - 10.13249/j.cnki.sgs.2008.01.45 ER -