RT Journal Article SR Electronic(1) A1 Shanov, S. A1 Mitev, A. A1 Benderev, A. A1 Kostov, K. A1 Mihailova, B.YR 2009 T1 Electrical survey for detailed characterizing of underground karst: Example from Iskar River (Western Bulgaria) JF , VO OP SP cp-126-00051 DO https://doi.org/10.3997/2214-4609-pdb.126.6293 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609-pdb.126.6293