Neutrino hierarchy from CP-blind observables with high density magnetized detectors A. Donini, E. Fernandez-Martinez, P. Migliozzi, S. Rigolin, L. Scotto Lavina, M. Selvi, T. Tabarelli de Fatis and F. Terranova Eur. Phys. J. C, 53 4 (2008) 599-606 Published online: 22 December 2007 DOI: 10.1140/epjc/s10052-007-0489-y