Institution: | aInstitute of Radiation Hygiene, Mira str. 8, 197101 St.-Petersburg, Russia;bMinistry of Nature Protection of the Sakha Republic (Yakutia), Dzerzhinskogo str. 3/1, 677000 Yakutsk, Russia;cInstitute for Biological Problems of Cryolithozone SD RAS, Lenina av. 41, 677891 Yakutsk, Russia;dNorwegian Radiation Protection Authority, P.O. Box 55, N-1332 Østeras, Norway |