Sekerin, V. D., M. N. Dudin, A. E. Gorokhova, V. I. Gayduk, and V. I. Volkov. “Creation of a Virtual Image: Digital Technology of the 21st Century”. Amazonia Investiga, vol. 8, no. 20, June 2019, pp. 340-8, https://amazoniainvestiga.info/index.php/amazonia/article/view/149.