@conference {Zenker_EBT_2003,
	title = {New electron beam technologies for surface treatment},
	booktitle = {Proceedings of the 7th International Conference on Electron Beam Technologies},
	year = {2003},
	pages = {202{\textendash}209},
	publisher = {Bulgarian Academy of Sciencies},
	organization = {Bulgarian Academy of Sciencies},
	address = {Varna},
	author = {R. Zenker and A. Buchwalder and H. J. Spies},
	editor = {Georgy Mladenov}
}