00624naa#a2200169#i#450# EN\\bibl\75100 20240930062517.1 2218-130X 20240214b2024####ek#y0engy0150####ca RU CATEGORY AND LABELING OF DOCUMENTS AS A METHOD OF INFORMATION PROTECTION IN INFORMATION SYSTEMS (US EXPERIENCE) Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2024 9 с. Journal article local Защита данных. 004.056.5 Metelkov Alexander N. journals.igps.ru