The development of ultra bright electron sources: An overview B.L. Militsyn Accelerator Science and Technology Centre Science & Technology Facility Council,
X-band Test Accelerator & New Initiatives Cecile Limborg, Chris Adolphsen, Tor Raubenheimer March 11, 2013 GARD Review @ SLAC.
Development of high brightness, high repetition rate photoelectron injectors at STFC ASTeC
The development of ultra bright electron sources: An overview
