About PETRY T M
About Univ. Missouri-Rolla, MO
About LITTLE D N
About Texas A&M Univ., TX
About Journal of Materials in Civil Engineering
About swelling soil
About USA
About Soil improvement and stabilization
About Subgrades,base courses
About 舗装
About 構造物
About 粘土
About 膨張性
About 土壌
About 安定化
About 歴史
About 現状
About 未来