Deformed field theory on -spacetime M. Dimitrijević, L. Jonke, L. Möller, E. Tsouchnika, J. Wess and M. Wohlgenannt Eur. Phys. J. C, 31 1 (2003) 129-138 Published online: 26 September 2003 DOI: 10.1140/epjc/s2003-01309-y