00625naa#a2200169#i#450# EN\\bibl\19406 20240908221916.7 1609-3178 20171219b2017####ek#y0engy0150####ca RU Inter-Laboratory Proficiency Testing of NDT Labs according to ISO 17043 as a Tool for Continuous Improvement Principle according to ISO 9001 Journal article Saint-Petersburg LLC SVEN 2017 3 с. Journal article local Инженерное дело. Техника в целом. Транспорт. 62 Zavadil Tomáš naukaru.ru