Long-lived radionuclides in the environment: On the radioecology of Iodine-129 R. Michel, K. Klipsch, Th. Ernst, M. Gorny, D. Jakob, J. Vahlbruch, H.-A. Synal and C. Schnabel Radioprotection, 40 (2005) S269-S276 Published online: 17 June 2005 DOI: 10.1051/radiopro:2005s1-041