Phenomenology tools on cloud infrastructures using OpenStack I. Campos, E. Fernández-del-Castillo, S. Heinemeyer, A. Lopez-Garcia, F. Pahlen and G. Borges Eur. Phys. J. C, 73 4 (2013) 2375 Published online: 03 April 2013 DOI: 10.1140/epjc/s10052-013-2375-0