The standard model on non-commutative space-time: strong interactions included B. Melić, K. Passek-Kumerički, J. Trampetić, P. Schupp and M. Wohlgenannt Eur. Phys. J. C, 42 4 (2005) 499-504 Published online: 15 August 2005 DOI: 10.1140/epjc/s2005-02301-3