YASSER, Hassan. Unequally Spaced Channels Wavelength Division Multiplexing System . University of Thi-Qar Journal of Science, University of Thi-Qar, Thi-Qar, Iraq, v. 1, n. 2, p. 68–78, 2008. Disponível em: https://jsci.utq.edu.iq/index.php/main/article/view/277.. Acesso em: 31 mar. 2025.