1. Elastic wave velocities in granular soils;Hardin;Proc., ASCE,1963
2. Cyclic undrained shear strength of a Tokyo gravel;Hatanaka,1986
3. Compound specific gravity and rational void ratio on rock-fill materials;Ishii;Jour, of JSSMFE,1981
4. Shear wave logging using a sonde consisting of a source and receivers;Kitsunezaki;Geophysical Exploration,1979
5. A sample preparation method and its effect on static and cyclic deformation-strength properties of sand;Miura;Soils and Foundations,1981