5Helbing,D.and Mulnar,P.,1995,Social force model for pedestrian dynamics.Phys.Rev.,E51:4282 ~ 4286.
6Helbing,D.,Farkas,I.and Vicsek,T.,2000,Simulating dynamical features of escape panic.Nature,407:487 ~ 490.
7Lomnitz,C.,1970,Casualties and behavior of populations during earthquakes.Bull.Seism.Soc.Amer.,60:1309 ~ 1313.
8Plerou,V.,Amaral,L.A.N.,Gopikrishnan,P.,et al.,1999,Similarities between the growth dynamics of university research and of competitive economic activities.Nature,400:433 ~ 436.
9Samardjieva,E.and Badal,J.,2002,Estimation of the expected number of casualties caused by strong earthquakes.Bull.Seism.Soc.Amer.,92:2310 ~ 2322.
10Seher,T.and Main,I.G.,2004,A statistical evaluation of a ‘stress-forecast' earthquake.Geophys.J.Int.,157:187~193.