%0 Journal Article %A Karaoulis, M. %A de Kleine, M. %A Heerma, J. %A Kruiver, P. %T Observation of Piping behind Levees Using Electrical Resistivity Tomography %D 2018 %J , %V 2018 %N 1 %P 1-5 %@ 2214-4609 %R https://doi.org/10.3997/2214-4609.201802600 %I European Association of Geoscientists & Engineers, %X %U https://www.earthdoc.org/content/papers/10.3997/2214-4609.201802600