Kowalski-Glikman, E.R. Livine, The Free Particle in Deformed Special Relativity, arXiv:hep-th/0512107, Phys.Rev.D73:045009,2006. [12[ M. Arzano and J. Kowalski-Glilunan, Kinematics of particles with de Sitter momentum space, preprint in preparation. [13[ M. Arzano and J. Kowalski-Glilunan, Deformations of spacetime