References

• Claerbout, J., Cole, S., Nichols, D. and Zhang, L., 1988, Why a big 2-D array to record microseisms?: SEP-59, 1-10.

• Cole, S., 1989, Downward continuation analysis of passive seismic data: SEP-60, 97-108.

• Nichols, D., Cole, S. and Zhang, L., 1989, An introduction to the SEP passive seismic dataset: SEP-60, 67-76.

• Nikolaev, A., and Troitskiy, P., 1987, Lithospheric studies based on array analysis of P-coda and microseisms: Tectonophysics, 140, 103-113.