标题：Evaluation of a sequential extraction procedure for the fractionation of amorphous iron and manganese oxides and organic matter in soils

作者：Evaluation of a sequential extraction procedure for the fractionation of amorphous iron and manganese oxides and organic matter in soils
期刊：The Science of The Total Environment, Volume 151, Issue 2, 11 July 1994, Pages 159-165
Tu Qiang, Shan Xiao-quan, Ni Zhe-ming

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