TORRES-CISNEROS, M. et al. Terahertz Signal Generation in 1-D Photonic Crystals. Acta Universitaria, [S. l.], v. 14, n. 3, p. 39–49, 2004. DOI: 10.15174/au.2004.225. Disponível em: https://www.actauniversitaria.ugto.mx/index.php/acta/article/view/225. Acesso em: 8 may. 2026.