Field theory amplitudes in a space with SU(2) fuzziness H. Komaie-Moghaddam, A.H. Fatollahi and M. Khorrami Eur. Phys. J. C, 53 4 (2008) 679-688 Published online: 15 December 2007 DOI: 10.1140/epjc/s10052-007-0484-3