1. Aki K, Richards P G (Li QZ and Zhou QJ Translating) (1986) Quantitative seismology theory and methods. Beijijng: Seismological Press 116–122
2. Akira H, Yoshida K, Okada T (2011) Nearly complete stress drop in the 2011 M w 9.0 off the Pacific coast of Tohoku Earthquake. Earth Planets Space 63:703–707
3. Akira H, Yoshida K, Asano Y, Okada T, Iinuma T, Ito Y (2012) Change in stress field after the 2011great Tohoku-Oki earthquake. Earth Planet Sci Lett 355:231–243
4. Chen LW, Lu YZ, Zhang J, Xu GL, Guo RM (1999) Three dimensional numerical simulation of tectonic stress field of north China. Acta Seismol Sin 21(2):140–149 (in Chinese with English abstract)
5. Chen T, Liu YW, Yang DX, Zhang L, Fang X, Xu LQ (2012a) The role of pore pressure in earthquake triggering and process of swarm earthquake and aftershocks. Prog Geophys 27(6):2407–2417 (in Chinese with English abstract)