Walt, M 2013Sauvaud, JA, Walt, M, Delcourt, D, Benoist, C, Penou, E, Chen, Y, Russell, CT Inner radiation belt particle acceleration and energy structuring by drift resonance with ULF waves during geomagnetic storms Lehtinen, NG, Walt, M, Inan, US, Pasko, V {$gamma$}-ray emission produced by a relativistic beam of runaway electrons accelerated by quasi-electrostatic thundercloud fields PDF (Online Viewing) 442.pdf