%0 Journal Article %T Grinding Burns Testing — New NDT Method? Do You Need Qualified Specialists for This? %A Seidel, M.. %A Zösch, A.. %A Härtel, K.. %A Morgenstern, G.. %K grinding burns, etching, Barkhausen method, penetrant testing, magnetic powder testing, personnel training %J NDT World %D 2021 %N 23 %P 3 %I LLC SVEN