| Authors: |
Wendel CCS; Centre of Environmental Radioactivity CoE, Department of Environmental Sciences, Norwegian University of Life Sciences (NMBU), N-1433 Ås, Norway., Lind OC; Centre of Environmental Radioactivity CoE, Department of Environmental Sciences, Norwegian University of Life Sciences (NMBU), N-1433 Ås, Norway. Electronic address: olelin@nmbu.no., Fifield LK; Department of Nuclear Physics, Australian National University, Canberra, ACT 2601, Australia., Tims SG; Department of Nuclear Physics, Australian National University, Canberra, ACT 2601, Australia., Salbu B; Centre of Environmental Radioactivity CoE, Department of Environmental Sciences, Norwegian University of Life Sciences (NMBU), N-1433 Ås, Norway., Oughton DH; Centre of Environmental Radioactivity CoE, Department of Environmental Sciences, Norwegian University of Life Sciences (NMBU), N-1433 Ås, Norway. |