“Experimental Investigation of Crack Initiation and Propagation in High- and Gigacycle Fatigue in Titanium Alloys by Study of Morphology of Fracture”. Frattura Ed Integrità Strutturale, vol. 10, no. 35, Dec. 2015, pp. pages 51-56, https://doi.org/10.3221/IGF-ESIS.35.06.