STERIAN, Andreea-Rodica. Basic research for designing the erbium doped fiber amplifier in long distance cable communications. Technium: Romanian Journal of Applied Sciences and Technology, Constanta, Romania, v. 2, n. 1, p. 29–37, 2020. DOI: 10.47577/technium.v2i1.39. Disponível em: https://www.techniumscience.com.techniumscience.pluscommunication.eu/index.php/technium/article/view/39. Acesso em: 17 apr. 2026.