Supe, A., and J. Porins. “Interaction Between Electromagnetic Field and Optical Signal Transmission in Fiber Optics”. Elektronika ir Elektrotechnika 122, no. 6 (June 7, 2012): 83-86. Accessed September 28, 2022. https://eejournal.ktu.lt/index.php/elt/article/view/1826.