[1] ZKM, Lorentzstr 19, D-76135 Karlsruhe, Germany
[2] MSC BW, Nobelstr 19, D-70550 Stuttgart, Germany
[3] Goethe Univ, Inst Theoret Phys, Max von Laue Str 1, D-60438 Frankfurt, Germany
[4] Tomsk State Pedag Univ, Ul Kievskaya 60, Tomsk 634061, Russia
[5] Tomsk State Univ Control Syst & Radioelectron TUS, Lab Theoret Cosmol, Tomsk 634050, Russia
[6] INFN, Sez Napoli, Compl Univ Monte S Angelo,Edificio G,Via Cinthia, I-80126 Naples, Italy
[7] Inst Sci Methodol ISEM, I-90146 Palermo, Italy
[8] Sch Adv Int Studies Theoret & Nonlinear Methodol, I-70124 Bari, Italy
[9] BM Birla Sci Ctr, IIAMIS, Hyderabad 500463, Andhra Pradesh, India
[10] Swedish Inst Space Phys, Angstrom Lab, POB 537, SE-75121 Uppsala, Sweden