CIARKOWSKI, A. Frequency dependence on space-time for elastomagnetic propagation in dispersive medium. Archives of Mechanics, Warsaw, Poland, v. 51, n. 1, p. 33–46, 1999. Disponível em: https://am.ippt.pan.pl/index.php/am/article/view/v51p33. Acesso em: 19 nov. 2025.