|
W. Hartmann et al., “Source of Polarized Electrons”, in Proc. 1st European Particle Accelerator Conf. (EPAC'88), Rome, Italy, Jun. 1988, pp. 1335-1337. |
|
H. G. Andresen et al., “Source of Polarized Electrons for MAMI B”, in Proc. 2nd European Particle Accelerator Conf. (EPAC'90), Nice, France, Jun. 1990, pp. 668-670. |