1. DIXI Polytool, product catalogue 2015, http://www.dixipolytool.ch
2. D.Wendorf, M.Milos: Things to consider when wire and small-hole EDMing, MICROmanufacturing, Fall 2009, p.11
3. M.Ligges: Investigation of fast gitter heat-up in thin metal films by timeresolved electron scattering (in german), Universität Duisburg-Essen, faculty of physics, Essen, 2009
4. Femtosecond spectroscopy of electron-electron and electron-phonon energy relaxation in Ag and Au
5. A.Ruf: Modeling of percussion drilling of metals by short and ultrashort lasers (in german), Herbert Utz Verlag, Munich, 2004, ISBN 3-8316-0372-3