1. Distribution and behavior of selenium in Japanese grasslands (II);Asagawa;Nihon-Dojoh-Hiryougaku-Zasshi (Jpn. J. Soil Sci. Plant Nutr.),1977
2. Selenium adsorption by goethite;Balistrieri;Soil Sci. Soc. Am. J.,1987
3. Blakemore, L.C., Searle, P.L., Daly, B.K., 1981. Methods for Chemical Analysis of Soils. New Zealand Soil Bureau Scientific Report 10A. DSIR, New Zealand
4. Fractionation of soil phosphorus;Chang;Soil Sci.,1957
5. Fractionation of soil selenium by sequential partial dissolution;Chao;Soil Sci. Soc. Am. J.,1989