| • | T. Lunne, P.K. Robertson and J.J.M. Powell, Cone Penetration testing in Geotechnical Practice, 1997 |
| • | Robertson, P.K., 2009, Interpretation of Cone Penetration Tests - a unified approach., Canadian Geotechnical Journal (in press) |
| • | Designers' Guide to EN 1997-1, Eurocode 7: Geotechnical design - General rules, R Frank, C Bauduin, R Driscoll, M Kavvadas, N Krebs Ovesen, T Orr and B Schuppener |
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