1. ASTM D2487, 1998. Standard Classification of Soils for Engineering Purposes (Unified Soil Classification System). West Conshohoken, PA.
2. Åhnberg, H., Andersson, G., 2011. SGI laboratory tests – influence of molding technique. International Collaborative Study on Deep Mixing Method. Task Report, SGI 14187/14598, 11 pp.
3. Åhnberg, H., Holm, G., 2009. Influence of laboratory procedures on properties of stabilised soil specimens. In: Proceedings of the International Symposium on Deep Mixing & Admixture Stabilization. Okinawa, 6 pp.
4. Carlsten, P., Ekström, J.E., 1997. Lime and lime cement columns. Guide for Project Planning, Construction and Inspection. Swedish Geotechnical Society. Report 4:95E. Linköping, Sweden, p. 111.
5. Geotechnical Characterization of Soft Soils. Study of the Experimental Site of Quinta do Foja;Coelho,2000