00613naa#a2200181#i#450# EN\\bibl\66633 20250605044613.4 1998-8990 20150325b2015####ek#y0engy0150####ca RUS RU DEVELOPMENT OF STATE SYSTEM OF PROTECTION OF POPULATION AND TERRITORIES OF THE USSR IN THE 20-30-IES OF XX CENTURY Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2015 5 с. Journal article local Shablov N N Gavrilova O V journals.igps.ru