Barth, W.; Bayer, W.; Dahl, L.; Groening, L.; Richter, S.; Yaramyshev, S. (2007). "Upgrade program of the high current heavy ion UNILAC as an injector for FAIR". Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 577 (1–2): 211–214. Bibcode:2007NIMPA.577..211B. doi:10.1016/j.nima.2007.02.054.
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Barth, W.; Bayer, W.; Dahl, L.; Groening, L.; Richter, S.; Yaramyshev, S. (2007). "Upgrade program of the high current heavy ion UNILAC as an injector for FAIR". Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 577 (1–2): 211–214. Bibcode:2007NIMPA.577..211B. doi:10.1016/j.nima.2007.02.054.