References

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• Cervený, V., 1981a, Ray tracing in a vicinity of a central ray: SEP-28, 39-48.

• Cervený, V., 1981b, Computation of geometrical spreading by dynamic ray tracing: SEP-28, 49-59.

• Cervený, V., 1981c, Dynamic Ray tracing across curved interfaces: SEP-28, 61-73.

• Podvin, P., and Lecomte, I., 1991, Finite difference computation of traveltimes in very contrasted velocity models: a massively parallel approach and its associated tools: Geophys. J. Int., 105, 271-284.

• Van Trier, J., and Symes, W.W., 1991, Upwind finite-difference calculation of traveltimes: Geophysics, 56, 812-821.

• Vidale, J.E., 1988, Finite-difference calculation of travel times: Bull. Seism. Soc. Am., 78, no. 6, 2062-2076.

• Vidale, J.E., and Houston, H., 1990, Rapid calculation of seismic amplitudes: Geophysics, 55, 1504-1507.

• Zhang, L., 1991, Finite difference calculation of Green's functions: SEP-72, 153-169.