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Papers in 1997

Adler, F., Hoxha, F., and Hubral, P., 1997: Migrating around in circles: Part II, The Leading Edge, 15, pp. 235-237.

Ettrich, N. and Gajewski, D., 1996: Wavefront construction in smooth media for pre-stack depth migration, Pageoph, 148, 3/4, pp. 481-502.

Ettrich, N. and Gajewski, D., 1997: Traveltime computation by perturbation with FD--eikonal solvers in isotropic and weakly anisotropic media, Geophysics.

Ettrich, N., 1997: A Hybrid Method for Traveltime Computation in Weakly Smoothed Media, Geophysical Prospecting.

Falk, J., Tessmer, E., Gajewski, D., 1996: Tube Wave Modelling by the Finite-Difference Method with Varying Grid Spacing, PAGEOPH, 148, 1/2, pp. 77-93.

Filpo, E. Hubral, P., 1995: Numerical tests of 3D true-amplitude zero-offset migration, Geophysical Prospecting, 43, pp. 119-134.

Garabito, G., Hubral, P., Söllner, W., 1997: Migrating around in Circles, part V, submitted to The Leading Edge.

Gelinsky, S. and Shapiro, S.A., 1996: Anisotropic permeability: influence on seismic velocity and attenuation, SEG Special volume on Seismic anisotropy, pp. 433-461.

Gelinsky, S. and Shapiro, S.A., 1997: Dynamic-equivalent medium approach for thinly layered saturated sediments, Geoph. J. Int., 128, pp. F1-F4.

Gelinsky S. and Shapiro, S.A., 1997: Poroelastic Backus-averaging for anisotropic, layered fluid and gas saturated sediments, Geophysics, in print.

Höcht, G., Jäger, R. and Hubral, P., 1997: Migrating around in Circles, part IV , parabolas, The Leading Edge, 16, pp. 473-476.

Hubral, P., Schleicher, J., and Tygel, M., 1995: Geometrical spreading and ray-caustic decomposition of elementary seismic waves, Geophysics, 60, pp. 1195-1202.

Hubral, P., Schleicher, J., and Tygel, M., 1996: A unified approach to 3-D seismic reflection imaging: Part I: Basic concepts, Geophysics, 61, pp. 742-758.

Hubral, P., Tygel, M., and Schleicher, J., 1996: Seismic image waves, Geoph. J. Int., 125, pp. 431-442.

Janesch, S.M.H. and Santos, L.T., 1997: Exact Penalty Methods with Constrained ground-penetrating radat data, submitted to Journal of Applied Geophysics.

Kneib, G. and Shapiro, S.A., 1995: Viscoacoustic wave propagation in 2-D random media and separation of absorption and scattering attenuation, Geophysics, 60, pp. 459-467.

Li, X.-P., 1995: Attenuation of Love waves in a two-layered half space, Wave Motion, 22, pp. 349-370.

Li, X.-P., 1995: Estimation of apparent seismic attenuation of crystalline rocks at the KTB area using VSP data, Scientific Drilling, 5, pp. 199-216.

Li, X.-P., 1996: Frequency-dependent attenuation of Love waves and its estimation, Journal of Seismic Exploration, 5, pp. 19-34.

Li, X.-P., 1996: Monitoring harmonic distortion in vibroseis data by a pure phase shift filter, Journal of Seismic Exploration, 5, pp. 97-112.

Li, X.-P., 1997: Adaptive least square deconvolution and its relation to minimum entropy deconvolution, Journal of Seismic Exploration, in print.

Li, X.-P., 1997: Comparison of seismic attenuation in the German KTB- and the Russian Kola deep well, Journal of Seismic Exploration, in print.

Li, X.-P., 1997: Decomposition of vibroseis data by multiple filter technique, Geophysics, in print.

Li, X.-P., 1997: Elimination of ghost noise in vibroseis data by deconvolution, Geophysical Prospecting, in print.

Li, X.-P., 1997: Elimination of higher modes in dispersive in-seam multimode Love waves, Geophysical Prospecting, in print.

Li, X.-P., 1997: Estimation of in-situ P-wave attenuation from full waveform sonic data -- application to KTB pilot borehole, Scientific Drilling, in print.

Li, X.-P., 1997: Mechanics of eliminating harmonic distortions in vibroseis data, Journal of Seismic Exploration, in print.

Li, X.-P.and Richwalski, S., 1996: Seismic attenuations and velocities of P- and S- waves in the German KTB area, Journal of Applied Geophysics, 36, pp. 67-76.

Li, X.-P., Schott, W., and Rüter, H., 1995: Frequency-dependent Q-estimation of Love-type channel waves and the application of Q-correction to seismograms, Geophysics, 60, pp. 1773-1789.

Li, X.P., Söllner, W., and Hubral, P., 1995: Elimination of harmonic distortion in vibroseis data, Geophysics, 60, pp. 503-516.

Li, X.-P., Zühlsdorff, L. and Liebhardt, G., 1995: Eliminating the effects of the urface weathered layer by using an inverse transfer function, Scientific Drilling, 5, pp. 233-242.

Liptow, F. and Hubral, P., 1996: Migrating around in circles, The Leading Edge,, 14, pp. 1125-1127.

Martinez, J.M., Santos, L.T., and Santos, S.A., 1997: A minimax method with application to the initial vector coding problem, International Journal of Computer Mathematics, 64, pp. 273-284.

Martins, J.L., Schleicher, J., Tygel, M., and Santos, L.T., 1997: 2.5D true-amplitude migration and demigration, Journal of Seismic Exploration, 6, pp. 159-180.

Novais, M.A.L., Santos, L.T., Tygel, M., and Ursin, B., 1997: A unified Born-Kirchhoff approximation for acoustic media, Journal of Seismic Exploration, 6, pp. 217-226.

Oliveira, A.S., Tygel, M., and Filpo, E., 1997: On the application of true-amplitude DMO, Journal of Seismic Exploration, 6, pp. 279-290.

Perroud, H., Hubral, P., Höcht, G., 1997: Common-reflection-point stacking in laterally inhomogeneous media, accepted by Geophys. Prosp..

Perroud, H., Hubral, P., Höcht, G., and de Bazelaire, E., 1997: Migrating around in circles: Part III, The Leading Edge, 16, pp. 875-883.

Rühl, T. and Hubral, P., 1996: Frequency-space domain diffraction tomography in practical applications, Journal of Seismic Exploration, 5, pp. 141-156.

Ryberg, T., Wenzel, F., Mechie, J., Egorkin, A., Fuchs, K., and Solodilov, L., 1996: 2D-velocity structure beneath northern Eurasia derived from the super long-range seismic profile, Bull. Seism Soc. Am., 86, pp. 857-867.

Sun, J. and Gajewski, D., 1997: True-amplitude common shot migration revisited, Geophysics, 63, pp. 1250-1259.

Santos, L.T., Schleicher, J., and Tygel, M., 1997: 2.5D True-amplitude offset continuation, Journal of Seismic Exploration, 6, pp. 103-116.

Santos, L.T., Tygel, M., and B. Ursin, 1996: Wave series expansions for a stratified fluid, Russian Geology and Geophysics, 37, pp. 26-46.

Schleicher, J., Hubral, P., Höcht, G., and Liptow, F., 1997: Seismic heterogeneous media, submitted to Geophysics.

Schleicher, J., Hubral, P., Tygel, M., and Jaya. M.S., 1997: Minimum apertures and Fresnel zones in migration and demigration, Geophysics, 62, pp. 183-194.

Shapiro, S. A. and Müller, T. M., 1997: Seismic signatures of permeability in heterogeneous media, submitted to Geophysics.

Shapiro, S.A. and Hubral, P., 1995: Frequency-dependent shear-wave splitting and velocity anisotropy due to elastic multilayering, Journal of Seismic Exploration, 4, , pp. 151-168.

Shapiro, S.A. and Hubral P., 1996: Elastic waves in thinly layered sediments: The equivalent medium and generalized O'Doherty-Anstey formulas, Geophysics, 61, pp. 1282-1300.

Shapiro, S.A. and Hubral P., 1997: Elastic waves in random multi-layered media: Localization and generalized O'Doherty-Anstey formulas, Geophysics, 62, pp. in print.

Shapiro, S.A., Hubral, P., and Ursin, B., 1996: Elastic wave reflectivity/transmissivity for randomly layered structures, Geophys. J. Int., 126, pp. 184-196.

Shapiro, S.A., Schwarz, R., and Gold, N., 1996: The effect of random isotropic inhomogeneities on the phase velocities of seismic waves, Geoph. J. Int., 127, pp. 783-794.

Shapiro, S.A. and Treitel, S., 1997: Multiple scattering of seismic waves in multilayered structures, Physics of the Earth and Planet Interiors; Special Issue: Stochastic Seismology, in print.

Tessmer, E., 1995: 3-D seismic modeling of general material anisotropy in the presence of the free surface by a Chebychev spectral method, Geophysical Journal International, 121, pp. 557-575.

Tittgemeyer, M., Wenzel, F., Ryberg, T. and Fuchs, K., 1997: Scales of Heterogeneities in the Continetal Crust and Upper Mantle, submitted to Pure Appl. Geophys..

Tittgemeyer. M., Wenzel, F., Fuchs, K., and Ryberg, T., 1996: Wave propagation in a multiple scattering upper mantle - observations and modelling, Geoph. J. Int., 127, pp. 492-502.

Tygel, M., Schleicher, J., and Hubral, P., 1995: Dualities involving seismic reflectors and reflection-time surfaces, Journal of Seismic Exploration, 4, pp. 123-150.

Tygel, M., Schleicher, J., and Hubral, P., 1996: A unified approach to 3-D seismic reflection imaging: Part II: Theory, Geophysics, 61, pp. 769-775.

Ursin, B., and Tygel, M., 1997: Reciprocal volume and surface scattering integrals for anisotropic elastic media, Wave Motion, 26, pp. 31-42.

Wenzel, F., Fuchs, K., Enderle, U., and Tittgemeyer, M., 1996: Elastic properties of crust and upper mantle - a new view, Special volume, IGC Beijing.

Wenzel, F., 1997: Strong Earthquakes: A Challenge for Geosciences and Civil Engineering - A New Collaborative Research Center in Germany, Seismological Research Letters, 68, 3, pp. 438-443.

Werner, U. and Shapiro, S.A., 1997: Frequency-dependent shear-wave splitting in thinly layered media with intrinsic anisotropy, submitted to Geophysics.

Widmaier, M., Müller, Th., Shapiro, S.A., and Hubral, P., 1995: Amplitude-preserving migration and elastic P-wave AVO correction for thin layering, Journal of Seismic Exploration, 4, pp. 169-178.

Widmaier, M., Shapiro, S.A., and Hubral, P., 1996: AVO correction for scalar waves in the case of of a thinly layered reflector overburden, Geophysics, 61, pp. 520-528.

Zhao, P., Bock, G., and Wenzel, F., 1995: A cross-gallery tomography survey in the New England Antimony Mine (Hillgrove, NSW): A case study in a hard rock environment, Exploration Geophysics, 25, pp. 197-206.

Zhao, W., Guo, J., Mechie, J., Wenzel, F., Meissner, R., Ratschbacher, L., Steentoft, H., Husen, S., Brauner, H.-J., Han, F., Jiang, D., Frisch, W., and Hauff, S., 1997: Seismic mapping of crustal structures beneath the Indus-Yarlung suture, Tibet, Terra Nova, 9, pp. 42-46.

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