TY - T1 - Common Mid Point (CMP) surveying for depth calibration of ground penetrating radar data SN - / UR - http://hdl.handle.net/10138/303470 T3 - A1 - Pinola, Hannu; Koivisto, Emilia Anna-Liisa; Kultti, Seija Kyllikki A2 - PB - Y1 - 2019 LA - eng AB - ... VO - IS - SP - OP - KW - 1171 Geosciences N1 - PP - ER -