1. The variability of natural soils;Lumb;Canadian Geotechnical Journal,1966
2. Recent developments in geotechnical reliability;Tang,1993
3. Kay JN, Kulhawy FH, Grigoriu MD. Assessment of uncertainties in geotechnical parameters. In: Proc. of the ICASP 6, Mexico, 1991. p. 683–91.
4. Ditlevsen O, Gluver H. Parameter estimation and statistical uncertainty in random field representations of soil strength. In: Proc of the ICASP 6, Mexico, 1991. p. 693–704.
5. An overview of the foundation design process (part I). Development for the National Building Code of Canada (part II);Becker;Canadian Geotechnical Journal,1996