References
| [1] |
Swiss Standard SN 670 010b, Characteristic Coefficients of soils, Association of Swiss Road and Traffic Engineers |
| [2] |
JON W. KOLOSKI, SIGMUND D.
SCHWARZ, and DONALD W. TUBBS, Geotechnical Properties of Geologic Materials,
Engineering Geology in Washington, Volume 1, Washington Division of Geology
and Earth Resources Bulletin 78, 1989, Link
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