@book{ Solr-472914, title = {Soil mechanics for unsaturated soils / D.G. Fredlund, H. Rahardjo..}, author = {Fredlund, D. G. (Delwyn G), 1940-}, editor = {Rahardjo, H.}, address = {New York ; Chichester}, publisher = {Wiley}, year = {1993}, pages = {517}, }