%0 Journal Article %T Investigation of spatial variability of SPT data in Mashhad City (NE Iran) using a geostatistical approach %A Nasseh, Sepideh %A Hafezi Moghaddas, Naser %A Ghafoori, Mohammad %A O. Asghari %A Bolouri Bazaz, Jafar %J Bulletin of Engineering Geology and the Environment %@ 1435-9529 %D 2018