BLINOWSKI, A.; OSTROWSKA-MACIEJEWSKA, J.; RYCHLEWSKI, J. Two-dimensional Hooke’s tensors - isotropic decomposition, effective symmetry criteria. Archives of Mechanics, Warsaw, Poland, v. 48, n. 2, p. 325–345, 1996. Disponível em: http://am.ippt.gov.pl/index.php/am/article/view/v48p325. Acesso em: 17 jan. 2026.