1. Arakelian, F., Garihyan, V., Zatihyan, R., and Piruzyan, S.A., A Macroseismic Study of the Effect of Spitak Earthquake December 7, 1988, Proceedings of the International Seminar on the Spitak-88 Earthquake, Yerevan, 1989
2. Bolt, B.A., Earthquake and Geological Discovery, New York: Sci. Am. Library, 1993a.
3. Bolt, B.A., Earthquakes, Newly Revised and Expanded. Appendix C, Abridged Modified Mercalli Intensity Scale, New York: W. Freeman and Co, 1993b.
4. Bolt, B.A., Horn, W., Macdonald, G., and Scott, R., Geological Hazards: earthquakes, tsunamis, volcanoes, avalanches, landslides, floods, New York: Springer, 1975.
5. Borcherdt, R.D., et al., Results and data from seismological and geological studies following earthquakes of December 7, 1988 near Spitak, Armenian SSR, US Geol. Survey, 1988, pp. 89–163a.