1. AASHTO (2007) Standard method of test for determining the liquid limit of soils. AASHTO standard T89-07. American Association of State Highway and Transportation Officials (AASHTO), Washington. D.C
2. Acosta HA, Edil TB, Benson CH (2003) Soil stabilization and drying using fly ash. Geo Engineering Report No. 03-03. Geo Engineering Program, University of Wisconsin-Madison
3. Aoyama K, Miyamori T, Wakiyama T, Kikuchi D (2002) The influence of physico-chemical property on improved soil character. J Jpn Soc Civil Eng. No.721/VI-57, 207-219
4. Arnepalli DN, Shanthakumar S, Hanumantha Rao B, Singh DN (2007) Comparison of methods for determining specific-surface area of fine-grained soils. Geotech Geol Eng 26(2):121–132
5. ASTM 2017 (2010) Standard test methods for liquid limit. Plastic limit and plasticity index of soils. ASTM standard D4318-10. American Society for Testing and Materials, West Conshohocken