ABSTRACT
Terzaghi, K. (1955). "Evaluation of the Co-efficient of Sub-grade Reaction," Geotechnique, Institute of Engineers, Vol. 5, No.4, London.
Terzaghi, K., and Frohlich, O.K. (1936). Theorie der setzung von Tonschichten (Theory of Settlement of Clay Layers), Leipzig, Deuticke.
