Double pulses and cascades above 2 PeV in IceCube Andrea Palladino, Giulia Pagliaroli, Francesco L. Villante and Francesco Vissani Eur. Phys. J. C, 76 2 (2016) 52 Published online: 28 January 2016 DOI: 10.1140/epjc/s10052-016-3893-3