01680oam 2200433 450 991071219740332120190509112324.0(CKB)5470000002490133(OCoLC)971981230(EXLCZ)99547000000249013320170209d2011 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierComputer programs for forward and inverse modeling of acoustic and electromagnetic data /by Karl J. EllefsenReston, Virginia :U.S. Department of the Interior, Geological Survey,2011.1 online resource (iii, 11 pages) illustrations (some color)Open-file report ;2011-1124Includes bibliographical references (page 11).Acoustic imagingComputer programsElectromagnetic fieldsMeasurementComputer programsGeophysical instrumentsComputer programsApplication softwareDevelopmentComputer programsAnalysisAcoustic imagingComputer programs.Electromagnetic fieldsMeasurementComputer programs.Geophysical instrumentsComputer programs.Application softwareDevelopmentComputer programsAnalysis.Ellefsen Karl1380912Geological Survey (U.S.),COPCOPOCLCOGPOBOOK9910712197403321Computer programs for forward and inverse modeling of acoustic and electromagnetic data3434653UNINA