1. Allison , L. E. 1965 Organic carbon Methods of Soil Analysis C. A. Black Am. Soc. Agron. 1367 78
2. Mineralogy and origin of the yellow-brown sands and related soils;Claridge;N.Z. J. Geo. Geophys.,1961
3. Dune-building phases in the Manawatu district, New Zealand;Cowie;Ibid.,1963
4. Pedology of soils from wind-blown sand in the Manawatu district;Cowie;N.Z. J. Sci.,1968
5. Soils and agriculture of Oroua Downs, Taikorea and Olen Oroua districts, Manawatu County;Cowie;N.Z. Soil Bureau Bulletin,1958