TY - GEN TY - GEN T1 - Fourth International Conference on Ground Penetrating Radar, June 8-13, 1992, Rovaniemi, Finland T2 - Special paper / Geological Survey of Finland A2 - Hänninen, Pauli, 1956- A2 - Autio, Sini, 1948- LA - eng PP - Espoo PB - Geological Survey of Finland YR - 1992 UL - https://kansalliskirjasto.finna.fi/kansalliskirjastofikka/Record/fikka.3529701 SN - 951-690-463-7 nidottu KW - maaperä KW - luotaus ER -