JOURNAL, B. S. Design and Implementation for optical fiber communication system using frequency shift coding: Samar Y.Al-Dabagh | Hani J.Kbashi. مجلة بغداد للعلوم, Iraq, Baghdad, v. 7, n. 3, p. 1226-1231, 2010. DOI: 10.21123/bsj.2010.7.3.1226-1231. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/1094. Acesso em: 21 2021.