Enhanced levels of 226Ra radiation in sea water and sediment caused by discharges of produced water on the Norwegian Continental ShelfH. Rye, M. Reed, I. Durgut, D. Ø. Eriksen, R. Sidhu, E. Strålberg, K. I. Iden, T. Ramsøy, K. Hylland, A. Ruus, O. Røyset et M. H.G. BerntsenRadioprotection, 44 5 (2009) 53-58DOI: https://doi.org/10.1051/radiopro/20095016