References

• Hubral, P., 1977, Time migration -- some ray theoretical aspects: Geophysical Prospecting, 25, 738-745.

• Larner, K.L., Hatton, L., Gibson, B.S., and Hsu, I.G., 1981, Depth migration of imaged time sections: Geophysics, 46, 734-750.

• Black J.L., and Brzostowski M.A., 1992, Systematics of time-migration Errors: Submitted to Geophysics.

• Zhang L., 1991, Applying finite-difference method to ray tracing: SEP-70, 257-266.