참고문헌
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Y.J. Kim, J.B. Park (2015) Analysis of Shear Modulus(G)-Shear Strain(
${\gamma}$ )-Degree of Saturation(S) Characteristics of Compacted Subgrade Soil used as Railway Trackbed, Journal of the Korean Society for Railway, 18(2), pp. 127-138. https://doi.org/10.7782/JKSR.2015.18.2.127