2009

Koleva, E. - Mladenov, G. - Garkova, K. - Kardjiev, M.  Quality Characterization of Electron Beams. Proceedings of the 9th International Conference on Electron Beam Technologies, Varna: Bulgarian Academy of Sciencies, 2009, p. 64–69, ISSN 0861-4717.

2006

Koleva, E. - Menhard, C.G. - Löwer, T. - Mladenov, G.  Emittance Calculation Based on the Current Distribution Measurements at Changes of the Beam Focusing. Proceedings of the 8th International Conference on Electron Beam Technologies, Varna: Bulgarian Academy of Sciencies, 2006, p. 51–65.