1. Retention, transformation and mobility of toxic metals in soils;Ross,1994
2. Controls on Mn, Fe, Co, Ni, Cu and Zn concentration in soils and water; the significant role of hydrous Mn and Fe oxides;Jenne;Adv. Chem.,1968
3. Role of metal- organic complexation in metal sorption by soils;Harter;Adv. Agron.,1995
4. The mobilisation of trace elements in soils;Alloway,1997