Spalevic, P., L. Spalevic, B. Milosevic, and I. Petrovic. “The Influence of Phase Shift of Interference on Signal Propagation Along the Optical Fiber”. Elektronika ir Elektrotechnika 74, no. 2 (February 1, 2007): 25–28. Accessed February 7, 2026. https://eejournal.ktu.lt/index.php/elt/article/view/10356.