Radioactivity measurements for the ERMES project at the STELLA facility M. Laubenstein, W. Plastino, P. Aprili, M. Balata, F. Bella, B. Gallese, L. Ioannucci and S. Nisi EPJ Web of Conferences, 24 (2012) 02002 Published online: 04 April 2012 DOI: 10.1051/epjconf/20122402002