PETRYK, H.; STUPKIEWICZ, S. A minimal gradient-enhancement of the classical continuum theory of crystal plasticity. Part I: The hardening law. Archives of Mechanics, Warsaw, Poland, v. 68, n. 6, p. 459–485, 2016. DOI: 10.24423/aom.2539. Disponível em: http://am.ippt.gov.pl/index.php/am/article/view/v68p459. Acesso em: 17 jan. 2026.