RT Journal Article SR Electronic(1) A1 Langman, Alan A1 R. Inggs, MichaelYR 1994 T1 A SFCW Polarimetruc Ground Penetration Radar JF , VO OP SP cp-300-00005 DO https://doi.org/10.3997/2214-4609-pdb.300.5 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609-pdb.300.5