1. Akin MK, Kramer SL, Topal T (2011) Empirical correlations of shear wave velocity (Vs) and penetration resistance (SPT-N) for different soils in an earthquake-prone area (Erbaa-Turkey). Eng Geol 119:1–17
2. Andrus RD, Fairbanks CD, Zhang J, Camp WM III, Casey TJ, Cleary TJ, Wright WB (2006) Shear-wave velocity and seismic response of near-surface sediments in Charleston. South Carolina Bull Seismol Soc Amer 96(5):1897–1914
3. Andrus RD, Stokoe KH (1997) Liquefaction resistance based on shear wave velocity. In: Youd TL, Idriss IM (eds) NCEER Workshop on Evaluation of Liquefaction Resistance of Soils, Salt Lake City, UT, Technical Report NCEER-97-0022. National Center for Earthquake Engineering Research, Buffalo, NY, pp 89–128
4. ASTM Standards D1586–99 (1999) Standard test method for penetration test and split-barrel sampling of soils
5. ASTM Standards D4428 (2014) Standard test methods for crosshole seismic testing