1. The influence of the carbon-sesquioxide ratios in the pH of Latosols;Bennema,1960
2. Fabric and Mineral Analysis of Soils;Brewer,1964
3. A comparative study of development colour in a Chestnut-Chernozem-Brunizem soil climosequence;Buntley,1965
4. Genesis of some very old soils;Cady,1968
5. A Geologic Map of Nigeria;Carter,1964