1. The comparative effects of exchangeable calcium, magnesium and sodium on some physical properties of red-brown earth sub-soils III;BAKKER;The permeability of Shepparton Soil and comparison of methods. Aust. J. Soil Res,1973
2. The comparative effects of exchangeable calcium, magnesium and sodium on some physical properties of red-brown earth subsoils. I. Exchange reactions and water contents for dispersion of Shepparton soil;BAKKER;Ibid,1973
3. Exchangeable calcium magnesium and sodium and the dispersion of illites in water. I;CHI;Characterization of illites and exchange reactions. Ibid,1977
4. CORBETT , W. W. TATLER , W. 1970 Soils in Norfolk Soil Survey Record. Soil Survey of England and Wales, Harpenden