1. Aardgas onder Amsterdam (de laag van Harting);Cleveringa,1995
2. Dutch Cell Test or Triaxial Test (English Translation of “Celproef of Triaxiaalproef”);den Haan,1999
3. Scanning Electron Microscopy and X-ray Microanalysis;Goldstein,1981
4. Fundamentals of Soil Behavior;Mitchell,1992
5. Shear tests on reconstituted Oostvaardersplassen clay;Tigchelaar,2000