1. Nashif, A. D., Johnes, D. I., and Henderson, J. P.: Vibration Dumping, Wiley Interscience, New York, 1985.
2. Kisliakov, S. D.: Asymptotic properties of motion of one earthquake problem, Proc. Third National Congress on Theoretical and Applied Mechanics, Sofia, Bulgarian Acad. of Sciences, 1977, vol. 2.
3. Seismostoikoe Stroitelstvo;V. P. Tchudnetzov,1973
4. Poliakov, V. S., Kilimnik, L. S., and Tcherkashin, A. V.: Contemporary Methods of Seismic Protection, Stroiizdat, Moscow, 1989 (in Russian).
5. Kisliakov, S. D.: Stochastic Methods in Applied Mechanics, Technika, Sofia, 1981 (in Bulgarian).