BERTRAM, A.; SVENDSEN, B. On material objectivity and reduced constitutive equations. Archives of Mechanics, Warsaw, Poland, v. 53, n. 6, p. 653–675, 2001. Disponível em: https://am.ippt.pan.pl/index.php/am/article/view/v53p653. Acesso em: 11 dec. 2025.