1. W.F. Henning (Ed.), Internal Accelerator Facility for Beams of Ions and Antiprotons, GSI-Darmstadt, November, 2001, http://www.gsi.de/GSI-Future/cdr/.
2. FAIR Baseline Technical Report July, 2006, http://www.gsi.de/fair/reports/btr.html.
3. Technical Report of the SPARC Collaboration, http://www.gsi.de/sparc.
4. H. Backe, GSI Workshop on its Future Facility, October 18–20, 2000.