@conference {Ruthrich_EBT_2009,
	title = {Investigation of Electron Beam Profiling of Metal Surfaces},
	booktitle = {Proceedings of the 9th International Conference on Electron Beam Technologies},
	year = {2009},
	pages = {152{\textendash}155},
	publisher = {Bulgarian Academy of Sciencies},
	organization = {Bulgarian Academy of Sciencies},
	address = {Varna},
	issn = {0861-4717},
	author = {K. R{\"u}thrich and R. Zenker and A. Buchwalder and N. Frenkler},
	editor = {Georgy Mladenov}
}