00591naa#a2200181#i#450# EN\\bibl\66897 20241123192530.6 1998-8990 20171225b2017####ek#y0engy0150####ca RUS RU INFLUENCE OF PHYSICAL ACTIVITY ON SAFETY OF THE FIREFIGHTER IN SIZOD AT EMERGENCY SITUATIONS Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2017 4 с. Journal article local Polyn’ko S V Ivanov A B journals.igps.ru