Acknowledging using our iris-related facilities and Data as of December 2016, updated August 2017

Reusch, A.M., A.A. Nyblade, R. Tibi, D.A. Wiens, P.J. Shore, A. Bekoa, C.T. Tabod, and J.M. Nnange (2011), 'Mantle transition zone thickness beneath Cameroon: evidence for an upper mantle origin for the Cameroon Volcanic Line', Geophysical Journal International, 187(3), p. 1146-1150 doi: 10.1111/j.1365-246X.2011.05239.x

Reuveni, Y., Y. Bock, X. Tong, and A.W. Moore (2015), 'Calibrating interferometric synthetic aperture radar (InSAR) images with regional GPS network atmosphere models', Geophysical Journal International, 202(3), p. 2106-2119 doi: 10.1093/gji/ggv253

Reuveni, Y., S. Kedar, A.W. Moore, and F. Webb (2014), 'Analyzing slip events along the Cascadia margin using an improved subdaily GPS analysis strategy', Geophysical Journal International, 198(3), p. 1269-1278 doi: 10.1093/gji/ggu208

Reuveni, Y., S. Kedar, S.E. Owen, A.W. Moore, and F.H. Webb (2012), 'Improving sub-daily strain estimates using GPS measurements', Geophysical Research Letters, 39(11), p. n/a doi: 10.1029/2012GL051927

Revenaugh, J., A. Courtier, M.D. Avants, J. Gaherty, E. Garnero, N. Schmerr, M. Thorne, S. Ford, J.L. Yoburn, M. Bostock, A. Baig, A. Langlois, J. Mercier, J. Oueity, T. Nicholson, N. Barstow (2004), 'CANOE: A Broadband Array in Northwestern Canada', AGU Fall Meeting Abstracts, 53, p. 0208

Revenaugh, J., and S. Turner (2007), 'Imaging Delamination Beneath Tien Shan Using Multiple-ScS Reverberations', AGU Fall Meeting Abstracts, 14, p. 07

Revets, S.A., M. Keep, and B.L.N. Kennett (2009), 'NW Australian intraplate seismicity and stress regime', Journal of Geophysical Research, 114, p. 5-1 - 5-10 doi: 10.1029/2008JB006152

Reyes, C.G., Y.Y. Suleiman, C. Trabant, R. Karstens, and B.R. Weertman (2012), 'Tools for Integrating Data Access from the IRIS DMC into Research Workflows', AGU 2012 Fall Meeting, Abstract # Tools for Integrating Data Access from the IRIS DMC into Research Workflows, p

Reyes, C.G., and M.E. West (2011), 'The Waveform Suite: A Robust Platform for Manipulating Waveforms in MATLAB', Seismological Research Letters, 82(1), p. 104 doi: 10.1785/​gssrl.82.1.104

Reymond, D., R. Crusem, and J.P. Barriot (2010), 'Empirical approaches for fast robust inversion of seismic moment tensor from surface waves', Geophysical Reseach Letters, 37, p. 7-1 - 7-5 doi: 10.1029/2009GL041542

Reymond, D., O. Hyvernaud, J. Talandier, and E.A. Okal (2003), 'T-Wave Detection of Two Underwater Explosions off Hawaii on 13 April 2000', Bulletin of the Seismological Society of America, 93(2), p. 804-816

Reymond, D., and E.A. Okal (2000), 'Preliminary determination ol do!f focal mechanisms from the inversion of spectral amplitudes of mantle waves', Physics of the Earth and Planetary Interiors, 121, p. 249-271

Reymond, D., E.A. Okal, Y. Yagi, and Y. Ito (2003), 'The Miyagi-ken-hokubu, Japan earthquake, 2003 July 26 and its largest fore-shock and largest after-shock', AGU Fall Meeting Abstracts, 52, p. 07

Rham, D., K. Priestley, M. Tatar, A. Paul, D. Hatzfeld, A. Radjaee, G. Nowrouzi, A. Kaviani, and C. Tiberi (2005), 'Variation of fundamental mode Rayleigh wave group velocity dispersion in Iran and the surrounding region', EOS Transactions, AGU Fall Meeting Abstracts, 86(52), p. 0984

Rham, D., M. Tatar, M. Ashtiany, M. Mokhtari, K. Priestley, and A. Paul (2007), 'Variation in crustal structure in Iran and the surrounding region', AGU Fall Meeting Abstracts, 33, p. 1048

Rham, D.J., K. Preistley, M. Tatar, and A. Paul (2006), 'Variation of fundamental mode surface wave group velocity dispersion in Iran and the surrounding region', AGU Fall Meeting Abstracts, 23, p. 0188

Rhie, J., D. Dreger, R. Burgmann, and B. Romanowicz (2007), 'Slip of the 2004 Sumatra-Andaman Earthquake from Joint Inversion of Long-Period Global Seismic Waveforms and GPS Static Offsets', Bulletin of the Seismological Society of America, 97(1A), p. S115-127 doi: 10.1785/0120050620

Rhie, J., and S. Kim (2015), 'Crustal and upper mantle structures beneath Cenozoic volcanoes on the board of China and North Korea', AGU Fall Meeting 2015, abstract #S41B-2730, p.

Rhie, J., S. Kim, and S. Baag (2011), 'Crustal structure of Mt. Baek-du (Changbai) volcanic region inferred from ambient seismic noise and receiver functions', AGU, Fall Meeting 2011, abstract #T33B-2395, 33, p. 2395

Rhie, J., S. Kim, and S. Cho (2013), 'Lithospheric structure beneath Mt. Baekdu (Changbai) volcano constrained from ambient noise tomography', AGU Fall Meeting 2013, abstract #T13E-2577, 13, p. 2577

Rhie, J., and B. Romanowicz (2004), 'Excitation of Earth's continuous free oscillations by atmosphere-ocean-seafloor coupling', Nature, 431(7008), p. 552

Rial, J.A., and M.H. Ritzwoller (1997), 'Propagation efficiency of long-period Lg waves in the South American continent', Geophysical Journal International, 131(2), p. 401-408

Rial, J.A., C. Tang, and K. Steffen (2007), 'A Closer View of Glacial Earthquakes Around Jakobshavn Glacier, Greenland, Using a Portable Seismic Array', AGU Fall Meeting Abstracts, 13, p. 0935

Richard, A.M., G. Nolet, W.J. Morgan, K. Vogfjord, B.H. Bergsson, P. Erlendsson, G.R. Foulger, S. Jakobsdottir, B.R. Julian, M.J. Pritchard, S. Ragnarsson, R. Stefansson (1997), 'Crustal thickness accros Iceland', AGU Fall Meeting Abstract, 78(46), p. 500

Richard, G.A. (2003), 'Education and Outreach programs offered by the center for high pressure research and the consortium for materials properties research in earth sciences', AGU Fall Meeting Abstracts, 32, p. 07

Richards, P.G. (1990), 'Progress in seismic verification of test ban treaties', IEEE Technology and Society Magazine, 9(4), p. 40-52

Richards, P.G. (1990), 'Testimony requested by the Senate Select Comittee on Intelligence as part of the Senate's Discussion (advice and Consent to ratification) of the Threshold Test Ban Treaty', Congressional Record, September 25, 1990, p. S13741-13751

Richards, P.G. (1993), 'Seismology: testing the test-ban treaty', Nature, 364(6434), p. 188-189

Richards, P.G. (2008), 'CTBT Monitoring: A Vital Activity for Our Profession', Seismological Research Letters, 79(3), p. 375-378 doi: 10.1785/gssrl.79.3.375

Richards, P.G., and W.-Y. Kim (1997), 'Commentary: Testing the nuclear test-ban treaty', Nature, 389, p. 781-782

Richards, P.G., and W.-Y. Kim (2005), 'Equivalent Volume Sources for Explosions at Depth: Theory and Observations', Bulletin of the Seismological Society of America 95(2), p. 401-407

Richards, P.G., W.-Y. Kim, and G. Ekström (1992), 'The Borovoye Geophysical Observatory, Kazakhstan', EOS Transactions, AGU Fall Meeting, p. 8

Richardson, E. (2002), 'Low-Frequency Properties of Intermediate-Focus Earthquakes', Bulletin of the Seismological Society of America, 92(6), p. 2434-2448

Richardson, E. (2013), 'Teachers Engaged in Authentic EarthScope Research: Challenges and Successes (Invited)', AGU Fall Meeting 2013, abstract #ED14B-02, 14, p. 02

Richardson, E., and T.H. Jordan (2002), 'Seismicity in Deep Gold Mines of South Africa: Implications for Tectonic Earthquakes', Bulletin of the Seismological Society of America, 92(5), p. 1766-1782

Richardson, E., J.J. McGuire, E. Rubio, M.H. Newton, M.D. Hardwig, and R.L. Kraft (2012), 'Using EarthScope Data to Engage Teachers in Research (Invited)', AGU 2012 Fall Meeting, abstract #ED41B-0677 Poster, p

Richardson, E., and A.A. Nyblade (2004), 'Modes of rupture and fault maturation processes in South African gold mines', AGU Fall Meeting Abstracts, 41, p. 0962

Richardson, E., A.A. Nyblade, W.R. Walter, and A.J. Rodgers (2004), 'Source characteristics of mining-induced seismicity from moment-rensor analysis and spatio-temporal relationships', AGU Spring Meeting Abstracts, 21, p. 05

Richardson, J.P., and G.P. Waite (2013), 'Waveform inversion of shallow repetitive long period events at Villarrica Volcano, Chile', Journal of Geophysical Research: Solid Earth, 118(9), p. 4922-4936 doi: 10.1002/jgrb.50354

Richardson, J.P., G.P. Waite, K.A. FitzGerald, and W.D. Pennington (2010), 'Characteristics of seismic and acoustic signals produced by calving, Bering Glacier, Alaska', Geophysical Research Letters, 37, p. 3-1 - 3-6 doi: 10.1029/2009GL041113

Richardson, J.P., G.P. Waite, and J.L. Palma (2014), 'Varying seismic-acoustic properties of the fluctuating lava lake at Villarrica volcano, Chile', Journal of Geophysical Research: Solid Earth, 119(7), p. 5560-5573 doi: 10.1002/2014JB011002

Richardson, J.P., G.P. Waite, W.D. Pennington, R.M. Turpening, and J.M. Robinson (2012), 'Icequake locations and discrimination of source and path effects with small aperture arrays, Bering Glacier terminus, AK', Journal of Geophysical Research: Earth Surface, 117(F4), p. n/a doi: 10.1029/2012JF002405

Richardson, T., H. Gilbert, M. Anderson, and K.D. Ridgway (2012), 'Seismicity within the actively deforming Eastern Sierras Pampeanas, Argentina', Geophysical Journal International, 188(2), p. 408-420 doi: 10.1111/j.1365-246X.2011.05283.x

Richardson, T., K.D. Ridgway, H. Gilbert, R. Martino, E. Enkelmann, M. Anderson, and P. Alvarado (2013), 'Neogene and Quaternary tectonics of the Eastern Sierras Pampeanas, Argentina: Active intraplate deformation inboard of flat-slab subduction', Tectonics, 32(3), p. 780-796 doi: 10.1002/tect.20054

Richardson, W.P., and E.A. Okal (1994), 'The 1994-1995 micronesian PASSCAL experiment: preliminary results', AGU Fall Meeting Abstract, 75(44), p. 463

Richardson, W.P., and E.A. Okal (1996), 'Crustal and uuper mantle structure of the Ontong Java Plateau from surface waves: results from the Micronesian PASSCAL experiment', AGU Fall Meeting Abstract, 77(46), p. 713

Richardson, W.P., E.A. Okal, and F. Schindele (1995), 'Surface wave dispersion ovber segments of the Polynesian super-swell', AGU Fall Meeting Abstract, 76(46), p. 608

Richardson, W.P., E.A. Okal, and S. Van der Lee (2000), 'Rayleigh-wave tomography of the Ontong-Java Plateau', Physics of the Earth and Planetary Interiors, 118, p. 29-51

Richardson, W.P., E.A. Okal, and S. van der Lee (2000), 'Rayleigh-wave tomography of the Ontong-Java Plateau', Physics of the Earth and Planerary Interiors, 118(1-2), p. 29-51

Richmond, R.M., M.H. Ritzwoller, A. Villaseñor, Y. Yang, S.L. Beck, A. Lerner-Lam, V. Levin, and N. M. Shapiro (2007), 'Ambient Noise Surface Wave Tomography Across Europe', AGU Fall Meeting Abstracts, 52, p. 05

Richon, P., J.-C. Sabroux, M. Halbwachs, J. Vandemeulebrouck, N. Poussielgue, J. Tabbagh, and R. Punongbayan (2003), 'Radon anomaly in the soil of Taal volcano, the Philippines: A likely precursor of the M 7.1 Mindoro earthquake (1994) ', Geophysical Research Letters, 30 (9 ), p. 34-31 - 34-34

Richter, B., H.G. Wenzel, W. Zurn, and F. Klopping (1995), 'The From Chandler wobble to free oscvillations: comparison of cryogenic gravimeters and other instruments in a wide period range', Physics of the Earth and Planetary Interiors, 91(1-3), p. 131-148

Rickers, F., A. Fichtner, and J. Trampert (2013), 'The Iceland–Jan Mayen plume system and its impact on mantle dynamics in the North Atlantic region: Evidence from full-waveform inversion', Earth and Planetary Science Letters, 367(0), p. 39-51 doi: 10.1016/j.epsl.2013.02.022

Riedel, M., V. Barrie, P. Hill, T.B. Brocher, T.L. Pratt, and R.D. Hyndman (2002), 'Mapping of near surface active faults in Georgia Strait', AGU Fall Meeting Abstracts, 22, p. 1031

Riedesel, M., K.R. MacKenzie, M. Wiederspahn, T. Fumiko, T. Ahern, and O.N. Dennis (1989), 'Interim access to GSN data at the IRIS Data Management Center at the University of Austin, Texas', AGU Spring Meeting Abstract, 70(15), p. 395

Riegel, S.A., K. Fujita, B. Koz'min, V.S. Imaev, and D.B. Cook (1993), 'Extrision tectonics of the Okhatsk Plate, Northeast Asia', Geophysical Research Letters, 20(7), p. 607-610

Rieger, D.M., and J. Park (2008), 'Quasi-Love surface wave observations on USArray: Evidence for upper mantle anisotropy along the North American Plate Boundary', EOS Transactions, AGU Fall Meeting Supplement Abstract AN: S33B-1948, 89(33), p. 1948

Rieger, D.M., and J. Park (2010), 'USArray observations of quasi-Love surface wave scattering: Orienting anisotropy in the Cascadia plate boundary', Journal of Geophysical Research, 115(B05306), p. 15 doi: 10.1029/2009JB006754

Rieger, D.M., and J.J. Park (2009), 'USArray Observations of Quasi-Love Surface-Wave Scattering: Orienting Anisotropy in the Cascadia Subduction Zone', AGU Fall Meeting Abstracts, 53, p. 0060

Rieger, D.M., and J.J. Park (2014), 'An Approximation to the General Galerkin Method of Computing Coupled‐Mode Synthetic Seismograms', Bulletin of the Seismological Society of America, 104(2), p. 962-971 doi: 10.1785/0120130114

Riehle, M.G., and S.H. Harder (1990), 'Processing and crustal interpretation of PASSCAL three-component seismic data from southwestern New Mexico', AGU Fall Meeting Abstract, 71(43), p. 1612

Riel, B., M. Simons, P. Agram, and Z. Zhan (2014), 'Detecting transient signals in geodetic time series using sparse estimation techniques', Journal of Geophysical Research (Solid Earth), 119(6), p. 5140-5160 doi: 10.1002/2014JB011077

Riel, B.V., and M. Simons (2013), 'Localization of Transient Signals in Geodetic Data Using Sparse Estimation Techniques', AGU Fall Meeting 2013, abstract #G21A-0741, 21, p. 0741

Rietbrock, A. (2007), 'Listening to the Crackle of Subducting Oceanic Plates', Science, 316(5830), p. 1439-1440

Rietbrock, A., I. Ryder, G. Hayes, C. Haberland, D. Comte, S. Roecker, and H. Lyon-Caen (2012), 'Aftershock seismicity of the 2010 Maule Mw=8.8, Chile, earthquake: Correlation between co-seismic slip models and aftershock distribution?' Geophysical Research Letters, 39(8), p. n/a doi: 10.1029/2012GL051308

Rietbrock, A., I.M. Ryder, C.A. Haberland, S. Nippress, H. Agurto, S.E. Barrientos, K. Bataille, S.L. Beck, P. Bernard, J.A. Capos, D. Comte, B. Heit, D. Lange, M.R. Miller, S. Peyrat, S. Roecker, B. Schurr, F.J. Tilmann, J. Vilotte (2010), 'Aftershock Seismicity of the Mw 8.8 Maule Earthquake of 27 February 2010 Using a 2D Velocity Model', AGU Fall Meeting 2010, abstract #G33A-0819, 33, p. 0819

Rigo, A., C. Adam, M. Grégoire, M. Gerbault, R. Meyer, M. Rabinowicz, F. Fontaine, and S. Bonvalot (2015), 'Insights for the melt migration, the volcanic activity and the ultrafast lithosphere delamination related to the Yellowstone plume (Western USA)', Geophysical Journal International, 203, p. 1274-1301 doi: 10.1093/gji/ggv360

Riker-Coleman, K.E., C.D. Gallup, L.M. Wallace, J.M. Webster, H. Cheng, and R.L. Edwards (2006), 'Evidence of Holocene uplift in east New Britain, Papua New Guinea', Geophysical Research Letters, 33(18), p. 1-4

Rindraharisaona, E.J., M. Guidarelli, A. Aoudia, and G. Rambolamanana (2013), 'Earth structure and instrumental seismicity of Madagascar: Implications on the seismotectonics', Tectonophysics, 594(0), p. 165-181 doi: 10.1016/j.tecto.201303.033

Ringler, A., L.S. Gee, C.R. Hutt, and D.E. McNamara (2010), 'Temporal variations in Global Seismic Station ambient noise power levels', Seismological Research Letters, 81(4), p. 605-613 doi: 10.1785/gssrl.81.4.605

Ringler, A.T., and J.R. Evans (2015), 'A Quick SEED Tutorial', Seismological Research Letters, 86(6), p. 1717-1725 doi: 10.1785/0220150043

Ringler, A.T., L.S. Gee, C.R. Hutt, L. Sandoval, and T. Storm (2011), 'Data Quality Review of the IRIS/USGS and ANSS Networks Using the Tohoku, Japan Earthquake', AGU, Fall Meeting 2011, abstract #S51A-2182, 51, p. 2182

Ringler, A.T., L.S. Gee, B. Marshall, C.R. Hutt, and T. Storm (2012), 'Data Quality of Seismic Records from the Tohoku, Japan, Earthquake as Recorded across the Albuquerque Seismological Laboratory Networks', Seismological Research Letters, 83(3), p. 575-584 doi: 10.1785/​gssrl.83.3.575

Ringler, A.T., M.T. Hagerty, J. Holland, A. Gonzales, L.S. Gee, J.D. Edwards, D. Wilson, and A.M. Baker (2015), 'The data quality analyzer: A quality control program for seismic data', Computers & Geosciences, 76, p. 96-111 10.1016/j.cageo.2014.12.006

Ringler, A.T., and C.R. Hutt (2009), 'Self-Noise Models of Seismic Instruments', AGU Fall Meeting Abstracts, 23, p. 1736

Ringler, A.T., and C.R. Hutt (2010), 'Self-Noise models of seismic instruments', Seismological Research Letters, 81(6), p. 972-983 doi: 10.1785/gssrl.81.6.972

Ringler, A.T., C.R. Hutt, R. Aster, H. Bolton, L.S. Gee, and T. Storm (2012), 'Estimating Pole-Zero Errors in GSN-IRIS/USGS Network Calibration Metadata', Bulletin of the Seismological Society of America, 102(2), p. 836-841 doi: 10.1785/0120110195

Ringler, A.T., C.R. Hutt, H.F. Bolton, T. Storm, and L.S. Gee (2010), 'Estimating Pole/Zero Errors in GSN-IU Network Calibration Metadata', AGU Fall Meeting 2010, abstract #S13C-2026, 13, p. 2026

Ringler, A.T., C.R. Hutt, J.R. Evans, and L.D. Sandoval (2011), 'A Comparison of Seismic Instrument Noise Coherence Analysis Techniques', Bulletin of the Seismological Society of America, 101(2), p. 558-567 doi: 10.1785/0120100182

Ringler, A.T., C.R. Hutt, L.S. Gee, L.D. Sandoval, and D. Wilson (2014), 'Obtaining Changes in Calibration‐Coil to Seismometer Output Constants Using Sine Waves', Bulletin of the Seismological Society of America, 104(1), p. 582-586 doi: 10.1785/0120130128

Ringler, A.T., C.R. Hutt, K. Persefield, and L.S. Gee (2013), 'Seismic Station Installation Orientation Errors at ANSS and IRIS/USGS Stations', Seismological Research Letters, 84(6), p. 926-931 doi: 10.1785/0220130072

Ringler, A. T., T. Storm, L.S. Gee, C.R. Hutt, and D. Wilson (2015), 'Uncertainty estimates in broadband seismometer sensitivities using microseisms', Journal of Seismology, 19(2), p. 317-327 doi: 10.1007/s10950-014-9467-7

Ritsema, J. (2000), 'Evidence for shear velocity anisotropy in the lowermost mantle beneath the Indian Ocean', Geophysical Research Letters, 27, p

Ritsema, J., and R.M. Allen (2003), 'The elusive mantle plume', Earth and Planetary Science Letters, 207(1-4), p. 1-12

Ritsema, J., P. Cupillard, B. Tauzin, W. Xu, L. Stixrude, and C. Lithgow-Bertelloni (2009), 'Joint mineral physics and seismic wave traveltime analysis of upper mantle temperature', Geology, 37(4), p. 363-366 doi: 10.1130/g25428a.1

Ritsema, J., A. Deuss, H.J. van Heijst, and J.H. Woodhouse (2011), 'S40RTS: a degree-40 shear-velocity model for the mantle from new Rayleigh wave dispersion, teleseismic traveltime and normal-mode splitting function measurements', Geophysical Journal International, 184(3), p. 1223-1236 doi: 10.1111/j.1365-246X.2010.04884.x

Ritsema, J., D.J. Garnero, and T. Lay (1997), 'A Strongly negative shear velocity gradient in the lowermost mantle beneath the Pacific', Journal of Geophysical Research, 102, p. 20395-20411

Ritsema, J., J. Garnero, and T. Lay (1997), 'A strongly negative shear velocity gradient and lateral variability in the lowermost mantle beneath the Pacific', Journal of Geophysical Research, 102(B9), p. 20395-20411

Ritsema, J., M.T. Hagerty, and T. Lay (1995), 'Comparison of broadband and short-period seismic waveform stacks: Implications for upper-mantle discontinuity structure', Geophysical Research Letters, 22, p. 3151-3154

Ritsema, J., D.V. Helmberger, V. Donald, S. Ni, and L. Wen (1998), 'New seismic constraints on a large thermal upwelling in Earth's mantle beneath Africa ', AGU Spring Meeting Abstract, 79(17), p. 213

Ritsema, J., and T. Lay (1993), 'Rapid source mechanism determination of large (Mw>5) earthquakes in the western United States', Geophysical Research Letters, 20, p. 1611-1614

Ritsema, J., and T. Lay (1995), 'Long-period regional wave moment tensor inversion for earthquakes in the western United States', Journal of Geophysical Research, 100, p. 9853-9864

Ritsema, J., T. Lay, D.J. Garnero, and H. Benz (1998), 'Seismic anisotropy in the lowermost mantle beneath the Pacific', Geophysical Research Letters, 25, p. 1229-1232

Ritsema, J., A.K. McNamara, and A.L. Bull (2007), 'Tomographic filtering of geodynamic models: Implications for model interpretation and large-scale mantle structure', Journal of Geophysical Research, 112(B1), p. 1-8 doi: 10.1029/2006JB004566

Ritsema, J., A.A. Nyblade, T.J. Owens, and C.A. Langston (1998), 'Upper mantle seismic velocity structure beneath Tanzania: Implications for the stability of cratonic lithosphere', Journal of Geophysical Research, 103, p. 21201-21214

Ritsema, J., A.A. Nyblade, T.J. Owens, C.A. Langston, and J.C. VanDecar (1998), 'Upper mantle velocity structure beneath Tanzania, east Africa: Implications for the stability of cratonic lithosphere', Journal of Geophysical Research, 103(B9), p. 21201-21213

Ritsema, J., L.A. Rivera, D. Komatitsch, J. Tromp, and H.J. van Heijst (2002), 'Effects of crust and mantle heterogeneity on PP/P and SS/S amplitude ratios', Geophysical Research Letters, 29(10), p. 72-71 to 72-74

Ritsema, J., and H.J. van Heijst (2000), 'New seismic model of the upper mantle beneath Africa', Geology, 28, p. 63-66

Ritsema, J., and H.J. van Heijst (2002), 'Constraints on the correlation of P- and S-wave velocity heterogeneity in the mantle from P, PP, PPP and PKPab traveltimes', Geophysical Journal International, 149(2), p. 483-490

Ritsema, J., H.J. van Heijst, and J.H. Woodhouse