Gorbunova, I. V.; Kondorskaya, N. V. (1973). "Comparison analysis of magnitude values for the daghestanian and Kirghiz earthquakes by observations of Soviet and American stations". Pure and Applied Geophysics. 103 (1): 381–386. Bibcode:1973PApGe.103..381G. doi:10.1007/BF00876415. S2CID129856658.
Gorbunova, I. V.; Kondorskaya, N. V. (1973). "Comparison analysis of magnitude values for the daghestanian and Kirghiz earthquakes by observations of Soviet and American stations". Pure and Applied Geophysics. 103 (1): 381–386. Bibcode:1973PApGe.103..381G. doi:10.1007/BF00876415. S2CID129856658.
Gorbunova, I. V.; Kondorskaya, N. V. (1973). "Comparison analysis of magnitude values for the daghestanian and Kirghiz earthquakes by observations of Soviet and American stations". Pure and Applied Geophysics. 103 (1): 381–386. Bibcode:1973PApGe.103..381G. doi:10.1007/BF00876415. S2CID129856658.