1. Electron-impact-ionization measurements using hyperfine-assisted state preparation of ground-state berylliumlike sulfur: Data Hahn, Michael; Bernhardt, D.; Grieser, M.; Krantz, C.; Lestinsky, M.; Muller, A.; Novotny, Oldrich; Repnow, R.; Schippers, S.; Wolf, A.; Savin, Daniel Wolf 2012 Data (Information) Electron impact ionizationElectron impact ionization--MeasurementPhysicsAstrophysics
2. Storage ring cross section measurements for electron impact ionization of Fe⁸⁺: Data Hahn, Michael; Becker, A.; Bernhardt, D.; Grieser, M.; Krantz, C.; Lestinsky, M.; Muller, A.; Novotny, Oldrich; Pindzola, M. S.; Repnow, R.; Schippers, S.; Spruck, K.; Wolf, A.; Savin, Daniel Wolf 2016 Data (Information) Storage ringsElectron impact ionizationIron ionsAstrophysics