“The ‘Projection-by-Projection’ (PbP) Criterion for Multiaxial Random Fatigue Loadings: Guidelines to Practical Implementation”. Fracture and Structural Integrity 13, no. 47 (December 5, 2018): 348–366. Accessed July 8, 2026. https://fracturae.com/index.php/fis/article/view/2233.