Numerical measures of the degree of non-proportionality of multiaxial fatigue loadings. Fracture and Structural Integrity, [S. l.], v. 9, n. 33, p. pages 238–252, 2015. DOI: 10.3221/IGF-ESIS.33.30. Disponível em: https://staging.fracturae.com/index.php/fis/article/view/1496. Acesso em: 16 oct. 2026.