00688naa#a2200229#i#450# EN\\bibl\6615 20240517085201.5 1609-3178 20150901b2015####ek#y0engy0150####ca RUS RU Test Quality Analysis during Specialist Certification on Acoustic Emission Nondestructive Testing of Railway Objects Journal article Saint-Petersburg LLC SVEN 2015 5 с. Journal article local Platunov Andrey Bogdan Olga Volkova Lyudmila Muraveva Olga Muravev Vitaliy Baykalova Tatyana naukaru.ru