HELAS and MadGraph/MadEvent with spin-2 particles K. Hagiwara, J. Kanzaki, Q. Li and K. Mawatari Eur. Phys. J. C, 56 3 (2008) 435-447 Published online: 07 August 2008 DOI: 10.1140/epjc/s10052-008-0663-x