1. Caudill M. and Butler C. (1990). Naturally intelligent systems . MIT Press Cambridge Mass.
2. Freeman J. A. and Skapura D. M. (1991). Neural networks: algorithms applications and programing techniques . Addison-Wesley Publishing Co. Reading Mass.
3. Gucunski N. and Woods R. D. (1991). “Use of Rayleigh modes in interpretation of SASW test.” Proc. 2nd Int. Conf. on Recent Adv. in Geotech. Earthquake Engrg. and Soil Dynamics Vol II Univ. of Missouri–Rolla Rolla Mo. 1399–1408.
4. Numerical simulation of the SASW test
5. Gucunski N. and Maher M. H. (1993). “Database of dispersion curves for surface wave testing.” Advances in Site Characterization: Data Acquisition Data Management and Data Interpretation; Geotechnical Special Publication No. 37 ASCE New York N.Y. 1–12.