00558naa#a2200181#i#450# EN\\bibl\66168 20241004170018.5 2074-1618 20150325b2015####ek#y0engy0150####ca RUS RU CONTEMPORARY STATE OF JUVENAL PREVENTIVE MAINTENANCE IN RUSSIA Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2015 5 с. Journal article local Makov B V Gracheva M A journals.igps.ru