1. Iron oxides;Bigham,2002
2. Bulk density;Blake,1986
3. Critical examination of trace element enrichments and depletions in soils: As, Cr, Cu, Ni, Pb, and Zn in Swiss forest soils;Blaser;Sci. Total Environ.,2000
4. Metal-organic matter interactions in soil;Bloom,1981
5. Genetic evaluation of profile distribution of aluminum, iron, and manganese oxides;Blume;Soil Sci. Soc. Am. J.,1969