1. The nature of seismicity patterns before large earthquakes;Kanamori,1981
2. Seismic activity and earthquake prediction;Mogi,1977
3. Measuring of the dispersion of individuals and analysis of the distribution patterns;Morishita,1959
4. Ocean-bottom seismographic observation off Sanriku—aftershock activity of the 1968 Tokachi-oki earthquake and its relation to the ocean continent boundary fault;Nagumo;Bull. Earthq. Res. Inst.,1970
5. Estimation of interaction potentials of spatial point patterns through the maximum likelihood procedure;Ogata;Ann. Inst. Statist. Math.,1981