1. Azuma, T., 1993. Dojyo no Jiten (Encyclopedia of Soils). Asakura, Tokyo, pp. 140–141.
2. Brookins, D.G., 1987. Eh–pH Diagrams for Geochemistry. Springer-Verlag, Berlin, pp. 97–99.
3. Variations in adsorption mechanisms of radioactive cobalt and cesium in rocks;Fujikawa;J. Contam. Hydrol.,1991
4. Procedure for the determination of exchangeable copper and molybdenum in podzol soils;Gupta;Soil Sci.,1966
5. Chemical states of stable Zn and aging effect of 65Zn in the soil;Homma;J. Radiat. Res.,1985