1. Forest soil chemical changes between 1949/50 and 1987;Billett;J. Soil Sci.,1990
2. Assessment of climatic conditions in Scotland. 1. Based on accumulated temperature and potential water deficit;Birse,1970
3. Cationic effects on sulphate adsorption by soils;Chao,1963
4. Iron or aluminium coatings in relation to sulphate adsorption characteristics of soil;Chao,1964
5. Exchange reactions between hydroxyl and sulphate ions in soils;Chao;Soil Sci.,1965