869927 SzGeCERN 20190221024850.0 eng Chupp, W W The electron ring program at Lawrence Berkley Laboratory 1974 SIS MJFILES2005 SzGeCERN XX ARTICLE Faltens, A Hartwig, E C Keefe, D Lambertson, Glen R Laslett, L J Ott, W Peterson, J M Rechen, J B Salop, A Schmieder, R W n 200531 13 20070621 1452 CER01 20050806 104701 235-239 stanford740502 PUBLIC 000422894CER ARTICLE