00499naa#a2200169#i#450# EN\INFRA-M\bibl\40 20260209112505.1 1998-071X 20121025b2012####ek#y0engy0150####ca RUS RU Radioecological Aspects of Radon Exhalation on Uranium Extraction Industry Objects Journal article Moscow INFRA-M Academic Publishing LLC. 2012 2 с. Journal article local Samonov A. zh-szf.ru