1. Space and time spectra of stationary stochastic waves, with special reference to microtremors;Aki;Bull Earthquake Res Inst,1957
2. Generation and propagation of g waves from the Niigata earthquake of June 16, 1964. Part 2. Estimation of earthquake movement, released energy and stress-strain drop from the G wave spectrum;Aki;Bull Earthquake Res Inst,1966
3. Scaling law of seismic spectrum;Aki;J Geophys Res,1967
4. Analysis of the seismic coda of local earthquakes as scattered waves;Aki;J Geophys Res,1969
5. Surface motion of A layered medium having an irregular interface due to incident plane SH waves;Aki;J Geophys Res,1971