Inference of the lateral heterogeneities of the Earth from the eigenfrequency spectrum: a linear inverse problem, Geophys. J. R. astr. SOC, vol.38, pp.143-167, 1974. ,
Asymptotic normal modes of laterally heterogeneous Earth, J. geophys. Res, vol.90, issue.12, pp.653-665, 1985. ,
Preliminary reference Earth model, Physics of the Earth and Planetary Interiors, vol.25, issue.4, pp.297-356, 1981. ,
DOI : 10.1016/0031-9201(81)90046-7
Two efficient algorithms for iterative linearized inversion of seismic waveform data, Geophysical Journal International, vol.115, issue.3, 1993. ,
DOI : 10.1111/j.1365-246X.1993.tb01488.x
Three-dimensional structure of the Earth from splitting in free-oscillation spectra, Nature, vol.325, issue.6103, pp.405-446, 1987. ,
DOI : 10.1038/325405a0
Splitting Functions of Long-Period Normal Modes of the Earth, Journal of Geophysical Research: Solid Earth, vol.13, issue.2, pp.699-710, 1988. ,
DOI : 10.1029/JB093iB11p13716
Inversion for laterally heterogeneous earth structure using a laterally heterogeneous starting model: preliminary results, Geophysical Journal International, vol.104, issue.3, pp.523-540, 1991. ,
DOI : 10.1111/j.1365-246X.1991.tb05699.x
Inversion for laterally heterogeneous upper mantle S-wave velocity structure using iterative waveform inversion, Geophysical Journal International, vol.115, issue.3, pp.667-698, 1993. ,
DOI : 10.1111/j.1365-246X.1993.tb01487.x
Asymptotic normal modes of a laterally heterogeneous Earth: 2. Further results, Journal of Geophysical Research: Solid Earth, vol.90, issue.B12, 1986. ,
DOI : 10.1029/JB091iB12p12467
A procedure for estimating lateral variations from low-frequency eigenspectra data, Geophys, J. R. astr. Soc, vol.52, 1978. ,
The nature and cause of polarization anomalies of surface waves crossing northern and central Eurasia, Geophysical Journal International, vol.117, issue.3, pp.577-590, 1994. ,
DOI : 10.1111/j.1365-246X.1994.tb02455.x
Comparison of global waveform inversions with and without considering cross-branch modal coupling, Geophysical Journal International, vol.121, issue.3, pp.695-709, 1995. ,
DOI : 10.1111/j.1365-246X.1995.tb06432.x
Velocity dispersion due to anelasticity; implications for seismology and mantle composition, Geophysical Journal International, vol.47, issue.1, pp.41-58, 1976. ,
DOI : 10.1111/j.1365-246X.1976.tb01261.x
Normal modes and seismograms in an anelastic rotating Earth, Journal of Geophysical Research: Solid Earth, vol.61, issue.B12, pp.20-309, 1991. ,
DOI : 10.1029/91JB00420
Effect of a global plume distribution on Earth normal modes, Geophysical Research Letters, vol.89, issue.August issue, 1990. ,
DOI : 10.1029/GL017i010p01493
Modelling of coupled normal modes of the Earth: the spectral method, Geophysical Journal International, vol.102, issue.2, pp.365-395, 1990. ,
DOI : 10.1111/j.1365-246X.1990.tb04472.x
Observation et demodulation des modes propres de la Terre: contraintes sur la Terre profonde, 1993. ,
A new technique in demodulation of normal modes, Physics of the Earth and Planetary Interiors, vol.84, issue.1-4, pp.139-160, 1994. ,
DOI : 10.1016/0031-9201(94)90038-8
Imaging the upper mantle with partitioned non-linear waveform inversion, in Seismic tomography: theory and practice, pp.248-264, 1993. ,
A formalism for nonlinear inversion of seismic surface waves, Geophysical Research Letters, vol.82, issue.1, pp.26-29, 1986. ,
DOI : 10.1029/GL013i001p00026
Asymptotic coupled-mode expressions for multiplet amplitude anomalies and frequency shifts on an aspherical earth, Geophysical Journal International, vol.90, issue.1, pp.129-169, 1987. ,
DOI : 10.1111/j.1365-246X.1987.tb00679.x
Roughness constraints in surface wave tomography, Geophysical Research Letters, vol.89, issue.11, pp.1329-1335, 1989. ,
DOI : 10.1029/GL016i011p01329
Observations of anomalous splitting and their interpretation in terms of aspherical structure, Journal of Geophysical Research, vol.68, issue.no. 10, pp.203-213, 1986. ,
DOI : 10.1029/JB091iB10p10203
Constraining aspherical structure with low-degree interaction coefficients: Application to uncoupled multiplets, Journal of Geophysical Research, vol.78, issue.13, pp.6369-6396, 1988. ,
DOI : 10.1029/JB093iB06p06369
Multiplet-multiplet coupling due to lateral heterogeneity: asymptotic effects on the amplitude and frequency of the Earth's normal modes, Geophysical Journal International, vol.90, issue.1, pp.75-100, 1987. ,
DOI : 10.1111/j.1365-246X.1987.tb00676.x
On the measurement of anelastic attenuation using amplitudes of low-frequency surface waves, Physics of the Earth and Planetary Interiors, vol.84, issue.1-4, pp.179-191, 1994. ,
DOI : 10.1016/0031-9201(94)90040-X
An inverse technique for retrieving higher mode phase velocity and mantle structure, Geophysical Journal International, vol.113, issue.3, pp.669-683, 1993. ,
DOI : 10.1111/j.1365-246X.1993.tb04659.x
Waveform inversion of mantle Love waves: the Born seismogram approach, Geophys Theoretical background for the inversion of seismic waveforms, including elasticity and anelasticity, J. R. astr. Soc, vol.78, 1984. ,
Variational principles for surface 91 wave propagation on a laterally heterogeneous Earth-I. Timedomain JWKB theory, Geophys. J. Int, vol.12, issue.109, pp.467-479, 1992. ,
Variational principles for surface wave propagation on a laterally heterogeneous Earth--II. Frequency-domain JWKB theory, Geophysical Journal International, vol.109, issue.3, pp.599-619, 1992. ,
DOI : 10.1111/j.1365-246X.1992.tb00120.x
Variational Principles For Surface Wave Propagation On A Laterally Heterogeneous Earth-Iii. Potential Representation, Geophysical Journal International, vol.112, issue.2, pp.195-209, 1993. ,
DOI : 10.1111/j.1365-246X.1993.tb01449.x
About the influence of pre-stress upon adiabatic perturbations of the Earth, Geophysical Journal International, vol.85, issue.1, pp.179-208, 1986. ,
DOI : 10.1111/j.1365-246X.1986.tb05177.x
The joint inversion of seismic waveforms for lateral variations in Earth structure and earthquake source parameters, Proc. 'Enrico Fermi' Int. Sch. Phys., LXXXV, pp.366-397, 1983. ,
The Effect of A General Aspherical Perturbation on the Free Oscillations of the Earth, Geophysical Journal International, vol.53, issue.2, pp.335-354, 1978. ,
DOI : 10.1111/j.1365-246X.1978.tb03746.x
Mapping the upper mantle: Three-dimensional modeling of earth structure by inversion of seismic waveforms, Journal of Geophysical Research: Solid Earth, vol.53, issue.B7, pp.5953-5986, 1984. ,
DOI : 10.1029/JB089iB07p05953
Surface waves and free oscillations in a regionalized earth model, Geophysical Journal International, vol.68, issue.3, pp.653-673, 1982. ,
DOI : 10.1111/j.1365-246X.1982.tb04921.x