00471naa#a2200157#i#450# EN\\bibl\20363 20240517211333.5 1609-3178 20180321b2018####ek#y0engy0150####ca RU Methods and Technologies for Creating a Reference Specimen of Mechanical Stresses Journal article Saint-Petersburg LLC SVEN 2018 4 с. Journal article local Grinchenko Mikhail I. naukaru.ru