Strontium-90 in fish from the lakes of the Chernobyl Exclusion Zone O. Ye. Kaglyan, D. I. Gudkov, V. G. Klenus, Z. O. Shyroka and O. B. Nazarov Radioprotection, 44 5 (2009) 945-949 Published online: 06 June 2009 DOI: 10.1051/radiopro/20095169