Korchak, L. V., Korchak Y. М., and Y. M. Furgala. “The Use of Optoelectronics Methods and Devices to Determine the Optical Parameters and Characteristics”. Military Technical Collection, no. 16 (May 4, 2017): 43–48. Accessed March 9, 2022. http://vtz.asv.gov.ua/article/view/148756.