Bobrovs, V., and G. Ivanovs. “Investigation of Different Modulation Formats Simultaneous Transmission in WDM Systems”. Elektronika ir Elektrotechnika 103, no. 7 (August 24, 2010): 109-112. Accessed March 28, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/9333.