Very slow creep tests on salt samples P. Bérest, J.F. Béraud, B. Brouard, P.A. Blum, J.P. Charpentier, V. de Greef, H. Gharbi and F. Valès EPJ Web of Conferences, 6 (2010) 22002 Published online: 10 June 2010 DOI: 10.1051/epjconf/20100622002