1. C. Amsler, Adv. Nucl. Phys. 18, Ed. by J. Negele and E. Vogt, Plenum Press, New York, 183 (1987)
2. U. Gastakdi, Nucl. Phis. A478, 813c (1988)
3. A. Obertelli, S. Naimi, T. Uesaka, A. Corsi, E.C. Pollacco, F. Flavigny, PUMA Letter of Intent, SPSC-I-247 (2017)
4. A. Obertelli, et al., PUMA letter of intent, CERN–SPSC–2019–033, SPSC–P–361, https://cds.cern.ch/record/2691045?ln=fr, https://home.cern/news/news/ physics/cern-approves-two-new-experiments
5. M. Augsburger et al., Nucl. Phys. A 658, 149 (1999)