1. Abdrakhmatov, K., H. B. Havenith, D. Delvaux, D. Jongmans, P. Trefois (2003), Probabilistic PGA and Arias intensity maps of Kyrgyzstan (Central Asia), J. Seismol. 7, 203–220
2. Aki, K. (1957), Space and time spectra of stationary stochastic waves, with special reference to microtremors, Bulletin of the Earthquake Research Institute 35, 415–456
3. Aki, W. H., K. Lee (1976), Determination of the three-dimensional velocity anomalies under a seismic array using first P arrival times from local earthquakes. A homogeneous initial model, J. Geophys. Res. 81, 4381–4399
4. Aki, K., P. G. Richards (1980), Quantitative Sesimology: Theory and Methods, Vol. II., W. H. Freeman and Company, San Francisco, USA
5. Arai, H., K. Tokimatsu (2004), S-wave velocity profiling by inversion of microtremor H/V spectrum, Bull. Seismol. Soc. Am. 94, 53–63