LI Zeqin1 , WANG Jiangzhen , HOU Jiayu . Potential Ecological Risk Assessment Model for Heavy Metal Contamination of Agricultural Soils in Mining Areas[J]. Advances in Earth Science, 2008 , 23(5) : 509 -516 . DOI: 10.11867/j.issn.1001-8166.2008.05.0509

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