1. B. Steinberg,Large Aperture Teleseismic Array Theory, ARPA Report of First LASA Systems Evaluation Conference (1965).
2. IBM,Experimental Signal Processing System, Third Quarterly Technical Rep., ESD-TR-68-149, Gaithersburg, Maryland, USA (Aug. 1967).
3. B. Jansson andE. S. Husebye,Application of Array Data Techniques to a Network of Ordinary Seismograph Stations, Pure and Applied Geophysics63 (1966), 83?104.
4. J. Capon,Continental Aperture Seismic Arrays, Semiannual Technical Summary, MIT Lincoln Lab. (June 1969).
5. H. Mack,Nature of Short-Period P-wave Signal Variations at LASA, J. Geophys. Res.74 (1969), 3161?3170.