Central events in the interactions of and with heavy emulsion targets M. El-Nadi, M.S. El-Nagdy, A. Abdelsalam, E.A. Shaat, N. Ali-Mossa, Z. Abou-Moussa, Kh. Abdel-Waged, A.M- Abdalla and E. El-Falaky Eur. Phys. J. A, 10 2 (2001) 177-181 Published online: 15 February 2001 DOI: 10.1007/s100500170130