Vicsek, Tamas (eotvos Univ (1) Nottale, Laurent (observatoire De Paris-meudon (1) Shier, John (-) (1) Abbas, Said (tahar Moulay University Of Saida, Benchohra, Mouffak (djillali Liabes University Of Sidi Bel-abbes, Lazreg, Jamal Eddine (djillali Liabes University Of Sidi Bel-abbes, Nieto, Juan J (universidade De Santiago De Compostela (1) Iomin, Alexander (technion-israel Inst Of Tech, Mendez, Vicenc (univ Autonoma De Barcelona, Horsthemke, Werner (southern Methodist Univ (1)