%A International Conference on Unsaturated Soils %A American Society of Civil Engineers %A American Society of Civil Engineers. Geo-Institute %A International Society of Soil Mechanics and Geotechnical Engineering. Committee TC6 on Unsaturated Soils %A Canadian Geotechnical Society %A Miller, Gerald A. %T Unsaturated soils 2006 : proceedings of the fourth international conference on unsaturated soils : April 2-6, 2006 Carefree, Arizona %I American Society of Civil Engineers %D 2006 %S Geotechnical special publication %V no. 147 %U https://ci.nii.ac.jp/ncid/BC15670628