RT Journal Article SR Electronic(1) A1 Huggenberger, Peter A1 Meier, Edi A1 Milan, BeresYR 1994 T1 Three-dimensional geometry of fluvial gravel deposits from GPR reflection patterns; a comparison of results of three different antenna frequencies JF , VO OP SP cp-300-00057 DO https://doi.org/10.3997/2214-4609-pdb.300.59 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609-pdb.300.59