VOYIADJIS, G.Z.; DORGAN, R.J. Gradient formulation in coupled damage-plasticity. Archives of Mechanics, Warsaw, Poland, v. 53, n. 4-5, p. 565–597, 2001. Disponível em: http://am.ippt.gov.pl/index.php/am/article/view/v53p565. Acesso em: 17 jan. 2026.