@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} }