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Lepert, P., J.L. Briaud, and J. Maxwell. (1991). Dynamic Method to Access the Stiffness of Soil Underlying Spread Foundation. TRR 1331, pp.1-5. 陈献策,"室内应力波冲击式土壤劲度试验仪之初步开发",逢甲大学土木及水利工程研究所硕士论文,1997。