Denkena, B.; Breidenstein, B.; Reimche, W.; Mroz, G.; Mörke, T.; Maier, H.J.: Changes of Subsurface Properties due to Fatigue Determined by Sin2ψ-method and Harmonic Analysis of Eddy Current Signals. In: Procedia Technology 15 (2014), S. 503-513. DOI:
https://doi.org/10.1016/j.protcy.2014.09.010