00604naa#a2200193#i#450# EN\\bibl\93546 20250430221256.3 2413-2527 20221207b2022####ek#y0engy0150####ca ENG RU A Few Remarks About the Most Important Element of Metrology — Person Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2022 7 с. Journal article local УДК. ENG Smagin V A Бубнов V P brni.editorum.ru