The evolution of hadron spectra in the modified leading logarithm approximation S. Albino, B. A. Kniehl, G. Kramer and W. Ochs Eur. Phys. J. C, 36 1 (2004) 49-56 Published online: 23 June 2004 DOI: 10.1140/epjc/s2004-01875-4