@conference {Dalke_EBT_2009,
	title = {Duplex Surface Treatment of Aluminium Alloys Using Electron Beam Surface Alloying},
	booktitle = {Proceedings of the 9th International Conference on Electron Beam Technologies},
	year = {2009},
	pages = {128{\textendash}131},
	publisher = {Bulgarian Academy of Sciencies},
	organization = {Bulgarian Academy of Sciencies},
	address = {Varna},
	issn = {0861-4717},
	author = {A. Dalke and A. Jung and L. Hagymasi and A. Buchwalder and H. J. Spies and H. Biermann},
	editor = {Georgy Mladenov}