Jeyarani, J., and D. S. Kumar. “Performance Analysis of Two Way All Optical Relay Assisted PM-FSO over Different Weather Conditions”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia0, no. 74 (September 30, 2018): 30-35. Accessed December 9, 2021. http://radap.kpi.ua/radiotechnique/article/view/1496.