01701oam 2200445 a 450 991069196490332120030909090308.0(CKB)5470000002349764(OCoLC)52202345ocm52202345(OCoLC)995470000002349764(EXLCZ)99547000000234976420030508d2003 ua 0engurmn||||||txtrdacontentcrdamediacrrdacarrierFour models used for numerical simulation of a borehole radar antenna[electronic resource] /by Karl J. Ellefsen and David L. WrightVersion 1.0.[Denver, Colo.?] :U.S. Dept. of the Interior, U.S. Geological Survey,[2003]Open-file report ;2003-03-155Title from PDF title screen (viewed on Sept. 9, 2003).In this report are four different models that represent an antenna used by personnel at the U.S. Geological Survey for crosswell investigations.Seismic tomographyMathematical modelsSeismic prospectingMathematical modelsRadar in earth sciencesSeismic tomographyMathematical models.Seismic prospectingMathematical models.Radar in earth sciences.Ellefsen Karl1380912Wright David L(David Leslie),1940-1381552Geological Survey (U.S.)GISGISGPOBOOK9910691964903321Four models used for numerical simulation of a borehole radar antenna3424279UNINA