Abdulhadi, N. O., S. A. Akl, J. T. Germaine, and A. J. Whittle,
"Wellbore instability mechanisms in very hard clay",
Proceedings of the 17th International Conference on Soil Mechanics and Geotechnical Engineering: The Academia and Practice of Geotechnical Engineering, vol. 1, pp. 590-593, 2009.
Abstract