1. Liquefaction of sands;Finn,1972
2. Evaluation and Application of Soil Test Results, Chapter 2;Fujita,1973
3. Shear modulus and damping in soils: measurement and paramenter effects;Hardin;Proc., ASCE, SM,1972
4. Seismic response of horizontal soil layers;Idriss;Proc. of ASCE,1968
5. Methods of Soil Investigation;Imai,1972