Löffler, S., Stöger-Pollach, M., Steiger-Thirsfeld, A., Hell, J., Verbeeck, J., & Schattschneider, P. (2012). Electron vortex beams: a novel probe for nano-analysis. 2nd ASEM - Workshop, Salzburg, Österreich, Austria. http://hdl.handle.net/20.500.12708/80851