Limiting soft particle emission in e + e −, hadronic and nuclear collisions Wolfgang Ochs, Valery A. Khoze and M. G. Ryskin Eur. Phys. J. C, 68 1-2 (2010) 141-152 Published online: 02 June 2010 DOI: 10.1140/epjc/s10052-010-1345-z