Mustapha DahakNoureddine TouatTarak Benkedjouh2025-05-212025-05-212018jz000169-0005https://tustorage.ulb.tu-darmstadt.de/handle/tustorage/35038620Crack Detection through the Change in the Normalized Frequency ShapeArticlehttps://doi.org/10.3390/vibration1010005