References

• Cole, S., and Vanyan, L., 1990, Scattering analysis of passive seismic data: Presented at the 60th Annual International Meeting, Society of Exploration Geophysicists.

• Cole, S., and Vanyan, L., 1990, An ambient noise dataset from a producing field: SEP-67, 59-70.

• Kostov, C., 1990, Multichannel seismic experiment with a drill-bit source: Ph.D. thesis, Stanford University, Stanford, California.

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

• Rector, J.W., Marion, B.P., and Widrow, B., 1989, Use of drill-bit energy as a downhole seismic source: Presented at the 59th Annual International Meeting, Society of Exploration Geophysicists.