00572naa#a2200181#i#450# EN\\bibl\66490 20250103083849.5 1998-8990 20131225b2013####ek#y0engy0150####ca RUS RU PROSPECTS OF SEPARATION AS RADIOMETRIC RISK REDUCTION IN THE TECHNOSPHERE Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2013 5 с. Journal article local Pikhkonen L V Karasev A V journals.igps.ru