Tritium along the French coast of the English Channel M. Masson, F. Siclet, M. Fournier, A. Maigret, G. Gontier and P. Bailly du Bois Radioprotection, 40 (2005) S621-S627 Published online: 17 June 2005 DOI: 10.1051/radiopro:2005s1-091