1. Aki, K. and P. G. Richards, Quantitative Seismology I & II. Freeman, San Francisco, 1980.
2. Amato, I., Nobel prizes 1991 Science 254: 518-51 9, 1991.
3. Barndorff-Nielsen, O. E. and D. R. Cox, Asymptotic Techniques for Use in Statistics, Chapman and Hall, London, 1989.
4. Bath, M., Spectral Analysis in Geophysics. Elsevier, Amsterdam, 1994.
5. Bazin, M. J., P. H. Lucie, and S. Moss de Olivierra, Experimental demonstrations of the mathematical properties of Fourier transforms using diffraction phenomena, Eur. J. Phys. 7: 183-188 (1986) .