1. A constitutive model for partially saturated soils;Alonso;Géotechnique,1990
2. The long-term paleomonsoon variation recorded by the loess-paleosol sequence in central China;An;Quat. Int.,1990
3. ASTM D4318-00 (2000). Standard test methods for liquid limit, plastic limit, and plasticity index of soils. Annnual Book of ASTM Standards, ASTM International, West Conshohocken, PA.
4. ASTM D5333-03 (2003). Standard test method for measurement of collapse potential of soils. Annnual Book of ASTM Standards, ASTM International, West Conshohocken, PA.
5. ASTM D6780-05 (2005). Standard test method for water content and density of soil in place by time domain reflectrometry (TDR). Annnual Book of ASTM Standards, ASTM International, West Conshohocken, PA.