Keller, R. AUTHOR-Kwan, S.; Hahto, S.; Regis, M.; & Wallig, J.(2006). Plasma and Beam Production Experiments with HYBRIS, a Microwave-assisted H-Ion. Lawrence Berkeley National Laboratory. Lawrence Berkeley National Laboratory: Lawrence Berkeley National Laboratory. Retrieved from: http://www.escholarship.org/uc/item/8tb6c69h
Keller, R.; Regis, M.; Wallig, J.; Hahto, S.; Monroy, M.; Ratti, A.; et al.(2005). An Approach towards a Long-life, Microwave-assisted H-Ion Soucre for Proton Drivers. Lawrence Berkeley National Laboratory. Lawrence Berkeley National Laboratory: Lawrence Berkeley National Laboratory. Retrieved from: http://www.escholarship.org/uc/item/9pt3g63f