1. Naab F., West E., Toader O., Was G., 2011. AIP Conference Proceedings 1336, American Institute of Physics, Melville, NY, 325-331.
2. Naab F., Toader O., Was G., 2013. AIP Conference Proceedings 1525, American Institute of Physics, Melville, NY, 736-740.
3. Manura D., Dahl D., 2008. SIMION® 8.0 User Manual, Scientific Instrument Services Inc, Ringoes, NJ.
4. A high-yield pulsing system using the TORVIS negative ion source
5. A versatile high intensity negative ion source