H. AHMED, Adil; M. ABDUL-BAKI, Essam. Complementary and Single Variational Principles for Investigating Harmonic Eddy-Current in a Thick Sheet. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 10, n. 4, p. 53–64, 2006. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1771.. Acesso em: 4 aug. 2026.