Modelling of Lévy walk kinetics of charged particles in edge electrostatic turbulence in tokamaks L. Krlín, R. Paprok and V. Svoboda Eur. Phys. J. D, 48 1 (2008) 95-109 Published online: 16 May 2008 DOI: 10.1140/epjd/e2008-00091-5