Effect of density-dependent nucleon-nucleon cross-section on elastic scattering A. Sh Ghazal, M. S. M. Nour El-Din and M. Y. M. Hassan Eur. Phys. J. A, 19 2 (2004) 221-229 Published online: 26 January 2004 DOI: 10.1140/epja/i2003-10101-8