00596naa#a2200193#i#450# EN\\bibl\68038 20241223040907.1 2218-130X 20131225b2013####ek#y0engy0150####ca RUS RU On the classification of emergency situations of the Russian Empire Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2013 6 с. Journal article local Nemchenko S B Smirnova A A Oparina T I journals.igps.ru