- You have accessAccess DeniedThe effects of porosity-permeability-clay content on the velocity of compressional wavesTheodoros KlimentosGeophysics, v. 56, i. 12, p. 1930-1939, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443004
- You have accessAccess DeniedEstimating grain-scale fluid effects on velocity dispersion in rocksGary Mavko, Diane JizbaGeophysics, v. 56, i. 12, p. 1940-1949, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443005
- You have accessAccess DeniedExact results for generalized Gassmann's equations in composite porous media with two constituentsJames G. Berryman, Graeme W. MiltonGeophysics, v. 56, i. 12, p. 1950-1960, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443006

- You have accessAccess DeniedShip navigation for geophysical applications using Kalman-filtered GPS fixesJoachim F. Genrich, Jean-Bernard MinsterGeophysics, v. 56, i. 12, p. 1961-1970, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443007

- You have accessAccess DeniedNear-real time reduction of shipboard gravity using Kalman-filtered GPS measurementsJoachim F. Genrich, Jean-Bernard MinsterGeophysics, v. 56, i. 12, p. 1971-1979, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443008
- You have accessAccess DeniedA microgal approximation for the Bullard B--Earth's curvature--gravity correctionWalter W. WhitmanGeophysics, v. 56, i. 12, p. 1980-1985, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443009

- You have accessAccess DeniedInversion of airborne electromagnetic survey data for sea-ice keel shapeGuimin Liu, Austin Kovacs, Alex BeckerGeophysics, v. 56, i. 12, p. 1986-1991, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443010
- You have accessAccess DeniedSounding sea ice thickness using a portable electromagnetic induction instrumentAustin Kovacs, Rexford M. MoreyGeophysics, v. 56, i. 12, p. 1992-1998, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443011
- You have accessAccess DeniedPhase-smoothed robust M-estimation of magnetotelluric impedance functionsDoddy Sutarno, Keeva VozoffGeophysics, v. 56, i. 12, p. 1999-2007, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443012

- You have accessAccess Denied2-D Bayesian deconvolutionMarc LavielleGeophysics, v. 56, i. 12, p. 2008-2018, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443013
- You have accessAccess DeniedSpatial prediction filtering in the t-x and f-x domainsScott C. HornbostelGeophysics, v. 56, i. 12, p. 2019-2026, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443014
- You have accessAccess DeniedComparison of the least-squares criterion and the Cauchy criterion in frequency-wavenumber inversionLasse AmundsenGeophysics, v. 56, i. 12, p. 2027-2035, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443015

- You have accessAccess DeniedHigh-resolution three-dimensional seismic survey of a thin sand at depthGary L. Kinsland, J. A. McDonald, G. H. F. GardnerGeophysics, v. 56, i. 12, p. 2036-2047, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443016
- You have accessAccess DeniedThree-dimensional multicomponent imaging of reservoir heterogeneity, Silo Field, WyomingCatherine Lewis, Thomas L. Davis, Claude VuillermozGeophysics, v. 56, i. 12, p. 2048-2056, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443017

- You have accessAccess DeniedRay tracing in 3-D complex isotropic media; an analysis of the problemJean Virieux, Veronique FarraGeophysics, v. 56, i. 12, p. 2057-2069, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443018
- You have accessAccess DeniedDiffraction-based velocity estimates from optimum offset seismic dataGuy M. Cross, Michael D. KnollGeophysics, v. 56, i. 12, p. 2070-2079, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443019
- You have accessAccess DeniedElastic wave propagation using cylindrical coordinatesDavid Kessler, Dan KosloffGeophysics, v. 56, i. 12, p. 2080-2089, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443020
- You have accessAccess DeniedSeismic traveltime equations for azimuthally anisotropic and isotropic media; estimation of interval elastic propertiesArcangelo G. SenaGeophysics, v. 56, i. 12, p. 2090-2101, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443021

- You have accessAccess DeniedRemoval of static shift in two dimensions by regularized inversionCatherine D. De Groot-HedlinGeophysics, v. 56, i. 12, p. 2102-2106, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443022
- You have accessAccess DeniedBorehole effect on gravimetryA. SezginerGeophysics, v. 56, i. 12, p. 2107-2109, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443023
- You have accessAccess DeniedA proof for the convergence of 15-degree cascaded migrationGuillaume CamboisGeophysics, v. 56, i. 12, p. 2110-2113, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443024
- You have accessAccess DeniedTheory of a 2.5-D acoustic wave equation for constant density mediaChristopher L. LinerGeophysics, v. 56, i. 12, p. 2114-2117, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443025

- You have accessAccess DeniedEvaluation of the three-dimensional configuration of a subsurface artificial fracture by the triaxial shear shadow methodHiroaki Niitsuma, Hiroyuki SaitoGeophysics, v. 56, i. 12, p. 2118-2128, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443026
- You have accessAccess DeniedShear-wave logging to enhance seismic modelingMichael A. PayneGeophysics, v. 56, i. 12, p. 2129-2138, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443027
- You have accessAccess DeniedHysteresis in the electrical resistivity of partially saturated sandstonesRosemary KnightGeophysics, v. 56, i. 12, p. 2139-2147, Published on December 1991, First Published on December 01, 1991, doi:10.1190/1.1443028

- Open AccessAn effective-medium model for P-wave velocities of saturated, unconsolidated saline permafrostShan Dou, Seiji Nakagawa, Douglas Dreger, Jonathan Ajo-FranklinGeophysics, v. 82, i. 3, p. EN33-EN50, Published on May 2017, First Published on May 02, 2017, doi:10.1190/geo2016-0474.1
- Open AccessAdaptive waveform inversion: TheoryMichael Warner, Lluís GuaschGeophysics, v. 81, i. 6, p. R429-R445, Published on November 2016, First Published on October 21, 2016, doi:10.1190/geo2015-0387.1
- Open AccessTutorial: Spectral bandwidth extension — Invention versus harmonic extrapolationChen Liang, John Castagna, Ricardo Zavala TorresGeophysics, v. 82, i. 4, p. W1-W16, Published on July 2017, First Published on May 30, 2017, doi:10.1190/geo2015-0572.1
- Open AccessElectrical conductivity, induced polarization, and permeability of the Fontainebleau sandstoneAndré Revil, Pauline Kessouri, Carlos Torres-VerdínGeophysics, v. 79, i. 5, p. D301-D318, Published on September 2014, First Published on September 15, 2014, doi:10.1190/geo2014-0036.1
- Open AccessA review and appraisal of arrival-time picking methods for downhole microseismic dataJubran Akram, David W. EatonGeophysics, v. 81, i. 2, p. KS71-KS91, Published on March 2016, First Published on April 20, 2016, doi:10.1190/geo2014-0500.1