1. BAZETT D.J. and BELL E.S. (1963): Influences of Placement Condition on Shear Test Results on Compacted Soil. Laboratory Shear Testing of Soils. ASTM STP No 361, p. 431–434.
2. BISHOP A.W. and HENKEL D.J. (1962): The Measurement of Soil Properties in the Triaxial Test. Edward Arnold Ltd. London 227 p.
3. DIN 18137/2 (1969): Baugrund: Untersuchung von Boden-proben: Dreiaxial versuch. Deutsches Institut für Normung e. V. Beuth Verlag GmbH, Berlin und Köln 1.
4. LUMB P. (1962): General Nature of the Soils of Hong-Kong. Proc. Symp. Hong-Kong Soils, Hong-Kong 1962, p. 19–31.
5. LUMB P. (1965): The Residual Soils of Hong-Kong.Geotechnique, 15 (2), p. 180–194.