Determination of the number of wounded nucleons in Pb+Pb collisions at 158 A GeV/c The WA97 and NA57 Collaborations: F. Antinori - et al. Eur. Phys. J. C, 18 1 (2000) 57-63 Published online: 13 November 2000 DOI: 10.1007/s100520000521