References
Agnew, D., J. Berger, R. Buland, W. Farell, and F. Gilbert (1976). International Deployment of Accelerometers: A network for very long period seismology. EOS, Trans. Am. Geophys. Un., 57: 180–188.
Anderson, D. L., and A. M. Dziewonski (1984). Seismic tomography. Scientific American, 251: 60–68.
Bolt, B. A. (1982). Inside the Earth: Evidence from Earthquakes. W. H. Freeman, San Francisco, 191 pp.
Dziewonski, A. M. (1984). Mapping the lower mantle: Determination of lateral heterogeneity in P-velocity up to degree and order 6. J. Geophys. Res., 89: 5929–5952.
Dziewonski, A. M., T. A. Chou, and J. H. Woodhouse (1981). Determination of earthquake source parameters from waveform data for studies of global and regional seismicity. J. Geophys. Res., 86: 2825–2852.
Dziewonski, A. M., G. Ekström, J. H. Woodhouse, and G. Zwart (1988). Centroid-moment tensor solutions for January–March, 1987. Phys. Earth Planet. Inter., 50: 116–126.
Dziewonski, A. M., and J. H. Woodhouse (1983). An experiment in the systematic study of global seismicity: Centroid-moment tensor solutions for 201 moderate and large earthquakes of 1981. J. Geophys. Res., 88: 3247–3271.
Giardini, D., X. D. Li, and J. H. Woodhouse (1987). Three-dimensional structure of the Earth from splitting in free oscillation spectra. Nature, 325: 405–411.
Harjes, H. P., and D. Seidl (1980). Digital recording and analysis of broad-band seismic data at the Gräfenberg (GRF) array. J. Geophys., 44: 511–523.
Incorporated Research Institutions for Seismology (1984). Science Plan for New Global Seismographic Network. IRIS, Washington, D.C., 130 pp.
——— 1985. Design Goals for New Global Seismographic Network. IRIS, Washington, D.C., 31 pp.
Peterson, J., H. M. Butler, L. G. Holcomb, and C. R. Hutt (1976). The seismic research observatory. Bull. Seism. Soc. Am., 66: 2049–2068.
Plesinger, A., and J. Horalek (1976). The seismic broadband recording and data processing system FBV/DPS and its seismological applications. J. Geophys., 42: 201–217.
Romanowicz, B., M. Cara, J. F. Fels, and D. Rouland (1984). GEOSCOPE—A French initiative in long-period three-component global seismic networks. EOS, Trans. Am. Geophys. Un., 65: 753–754.
Shearer, P. M. and J. A. Orcutt (1987). Surface and near-surface effects on seismic waves—theory and borehole seismometer results, Bull. Seism. Soc. Am., 77, 1168–1196.
Smith, S. W. (1987). IRIS-A university consortium for seismology, Rev. Geophys, Space Phys., 25, 1203–1207.
Steim, J. M. (1986). The Very-Broad-Band Seismograph System. PH.D. Diss., Harvard University, Cambridge, 183 pp.
Wielandt, E., and J. M. Steim (1986). A digital very-broad-band seismograph. Annales Geophysicae. Series B, Terrestrial and Planetary Physics, 4: 227–232.
Woodhouse, J. H., and A. M. Dziewonski (1984). Mapping the upper mantle: Three dimensional modeling of earth structure by inversion of seismic waveform. J. Geophys. Res., 89: 5953–5986.