Study of Lamb Waves for Non-Destructive Testing Behind Screens P. Kauffmann, M.-A. Ploix, J.-F. Chaix, C. Gueudré, G. Corneloup and F. Baqué EPJ Web Conf., 170 (2018) 03005 Published online: 10 January 2018 DOI: 10.1051/epjconf/201817003005