9Warren T L,Krajcinovic D.Fractal models of elastic-perfectly plastic contact of rough surfaces based on the cantor set[J].International Journal of Solids and Structures,1995,32(19):2907-2922.
10Turcotte D L.Implications of chaos,scale-invariance,and fractal statistics in geology[J].Palaeoecology,1990,89(3):301-308.
