%0 Journal Article %A E. Ardestani, V. %T Detection of subsurface cavities by gravity methods %D 2002 %J , %V %@ 2214-4609 %C cp-36-00078 %R https://doi.org/10.3997/2214-4609.201406220 %I European Association of Geoscientists & Engineers, %X %U https://www.earthdoc.org/content/papers/10.3997/2214-4609.201406220