1. Effect of wetting and drying on shear strength;Allam;Proc. ASCE, Geot. Engg Div.,1981
2. Anon (1990). ‘Tropical residual soils’, Geological Society, Engineering Group Working Party Report. Quarterly J. Engg Geol., 23, 1–101.
3. Blight, G. E. (1990). ‘Construction in tropical soils’, Proc. 2nd Int. Conf. Geomech. in Tropical Soils, Singapore, A. A. Balkema, Rotterdam, 2, 449–68.
4. Boyce, J. R. (1985). ‘Some observations on the residual strength of tropical soils’, Proc. 1st Int. Conf. on Geomech. of Tropical Lateritic and Saprolitic Soils, Brasilia, 1, 235–51.
5. Calcrete and other soils in Quaternary limestones: structures processes and applications;Braithwaite;J. Geol. Soc.,1983