GOVORUKHA, V.B.; MUNZ, D.; KAMLAH, M. On the singular integral equations approach to the interface crack problem for piezoelectric materials. Archives of Mechanics, Warsaw, Poland, v. 52, n. 2, p. 247–273, 2000. Disponível em: http://am.ippt.gov.pl/index.php/am/article/view/v52p247. Acesso em: 17 jan. 2026.