Ghazi, Azam, Naser Hafezi Moghadas, Hosein Sadeghi, Mohamad Ghafoori, and Gholam Reza Lashkaripur. “Empirical Relationships of Shear Wave Velocity, SPT-N Value and Vertical Effective Stress for Different Soils in Mashhad, Iran”. Annals of Geophysics 58, no. 3 (July 27, 2015): S0325. Accessed May 6, 2026. https://www.annalsofgeophysics.eu/index.php/annals/article/view/6635.