00589naa#a2200169#i#450# EN\\bibl\67957 20241222182250.7 2218-130X 20130325b2013####ek#y0engy0150####ca RUS RU Formation of social sustainability Rescuers search units in the Russian Emergencies Ministry applied learning swimming Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2013 5 с. Journal article local Tyshchenko E G journals.igps.ru