129I determination by direct gamma-X spectrometry and its application to concentration variations in two seaweed speciesE. Barker, M. Masson, P. Bouisset, N. Cariou, P. Germain et F. SicletRadioprotection, 40 (2005) S581-S587DOI: https://doi.org/10.1051/radiopro:2005s1-085