00624naa#a2200181#i#450# EN\\bibl\1612 20241014095202.1 2308-8877 20140317b2014####ek#y0engy0150####ca RUS RU The role of the limit of proportionality in studying the properties of composite materials Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 5 с. Journal article local Zobov Sergey Chernikov E. A. naukaru.ru