1. R. Maier, et al., The high-energy storage ring (HESR), in: Proceedings of the 24th Particle Accelerator Conference in Washington, DC, 2011, p. 2104.
2. W. Henning (ed.), An international Accelerator Facility for Beams of Ions and Antiprotons, Conceptual Design Report, GSI, Darmstadt, November 2001.
3. PANDA Collaboration: W. Erni, et al., Physics Performance Report for PANDA: Strong Interaction Studies with Antiprotons arXiv:0903.3905 [hep-ex], 2009.
4. New Accelerators in Uppsala
5. S. Häggström, Production of η-mesons in proton–neutron collisions (Uppsala Dissertations), the Faculty of Science and Technology, vol. 13, 1997.