Institute mit Quellen für pol. Elektronen
PETRA DESY Sokolov Ternov
SPEAR SLAC/SSRL Sokolov Ternov
SLAC Stanford Linear Accelerator GaAs
MAMI Mainzer Racetrack Microtron GaAs, GaAsP
ELSA Elektronen-Stretcher-Anlage - Univ. Bonn GaAs, Supergitter
MIT Bates Massachusets Institute of Technology GaAs, GaAsP
KEK High Energy Accelerator Research GaAs
Organization, Tsukuba, Jp
AmPS ring Amsterdam Puls Stretcher and GaAs, GaAsP
CEBAF JLab Newport News, VA GaAs
ORSAY Institut de Physique Nucléaire He Afterglow
BINP Budker Inst. of Nuclear Physics, Novosibirsk ?