2009
Duplex Surface Treatment of Aluminium Alloys Using Electron Beam Surface Alloying. Proceedings of the 9th International Conference on Electron Beam Technologies, Varna: Bulgarian Academy of Sciencies, 2009, p. 128–131, ISSN 0861-4717.
2003
New electron beam technologies for surface treatment. Proceedings of the 7th International Conference on Electron Beam Technologies, Varna: Bulgarian Academy of Sciencies, 2003, p. 202–209.