The capabilities of additive technologies are particularly applicable in the security field, which opposes their use by criminal organizations and foreign special services.
- Radulov, N., Security today. Current issues, In: Security & future, 2017, STUME, ISSN 2535-0668
- Радулов, Н. Сигурност 4.0. Сигурността и четвъртата промишлена революция, В: Сб. докл. ВТУ, октомври 2018
- Radulov, N. Internet of the things. Security 4.0, In: Security & Future, 2018, STUME, ISSN 2535-0668, pp. 99-101
- ] https://www.filabot.com/blogs/news/
- ] http://www.thetruthaboutguns.com