About KOK H
About Kansas State Univ., Manhattan
About MCCOOL D K
About Agricultural Research Serv., USDA, WA
About Transactions of the ASAE (American Society of Agricultural Engineers)
About soil strength
About Soil and foundation engineering in general
About 凍結
About 融解
About サイクル
About 起因
About 土壌強度
About 変動性
About 定量化