"Kumiko Nishikawa,KEI TAKANO,Hidekazu Miyahara,Tohru Kawamura,AKITOSHI OKINO,Eiki Hotta,Takuya Nayuki,Yuji Oishi,Takashi Fujii,Xiaofang Wang,koushichi nemoto","Nanofractal structure consisting of nanoparticles produced by ultrashort laser pulses",,"Applied Physics Letters",,"Vol. 89","No. 243112","pp. 1-3",2006,Dec.