Rankka, Karin; Andersson-Sköld, Yvonne; Hultén, Carina; Larsson, Rolf; Leroux, Virginie; Dahlin, Torleif (2004). "Quick clay in Sweden"(PDF). Report No. 65. Swedish Geotechnical Institute. Archived from the original(PDF) on 4 April 2005. Retrieved 20 April 2005.
Rankka, Karin; Andersson-Sköld, Yvonne; Hultén, Carina; Larsson, Rolf; Leroux, Virginie; Dahlin, Torleif (2004). "Quick clay in Sweden"(PDF). Report No. 65. Swedish Geotechnical Institute. Archived from the original(PDF) on 4 April 2005. Retrieved 20 April 2005.