1. Digital content (2018). http://www.tadviser.ru/a/132656. Accessed 18 Sept 2020
2. The digital content market in Russia and the world. J’son & Partners Consulting. (2014) https://json.tv/ict_telecom_analytics_view/rynok-tsifrovogo-kontenta-v-rossii-i-mire-2010-2016-gg-2014092201340353. Accessed 22 Sept 2020
3. Mire, A.V., Dhok, S.B., Mistry, N.J., Porey, P.D.: Catalogue of digital image forgery detection techniques, an overview. Proceedings of the International Conference on Advances in Information Communication Technology & Computing. Amsterdam: Elsevier, pp. 502–508 (2013)
4. Mahdian, B., Saic, S.: A bibliography on blind methods for identifying image forgery. Signal Process.: Image Commun., 25(6). Amsterdam: Elsevier, pp. 389–399 (2010)
5. Image Forgery Detection. A survey, IEEE Signal Processing Magazine, Volume 26, Issue 2. Austin, pp. 16–25 (2009)