00663naa#a2200181#i#450# EN\\bibl\15380 20241223012624.1 2219-0767 20161230b2016####ek#y0engy0150####ca RUS RU SECURITY OF LABOR UNDER CONTRACTORS WITH THE EXPECTATION OF FASTENERS RETAINING WALLS TOOLS OF APPLIED MECHANICS Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2016 4 с. Journal article local Nikolenko S. D. Sazonova Svetlana Anatol'evna naukaru.ru