[n] N. Mahdizadeh and F. M. Aghamir, “Comparison of Growth Rates of Two-Stream Free Electron Lasers (TSFEL) with Planar Wiggler Magnet and AC Electrical Wiggler Pumps”, in Proc. FEL'11, Shanghai, China, Aug. 2011, paper MOPC21, pp. 136-137.
Use Complete Form