1. H Heiselberg, Phys. Rep. 351, 161 (2001)
2. C Alt et al, Phys. Rev. C78, 034914 (2008)
3. V V Begun, M Gaździcki, M I Gorenstein and O S Zozulya, Phys. Rev. C70, 034901 (2004)
4. V V Begun, M I Gorenstein, A P Kostyuk and O S Zozulya, Phys. Rev. C71, 054904 (2005)
5. V V Begun et al, Phys. Rev. C76, 024902 (2007)