Hierarchical radiative masses in a supersymmetric three-family model without higgsinos L. A. Sánchez, W. A. Ponce and J. M. Mira Eur. Phys. J. C, 42 2 (2005) 205-215 Published online: 15 July 2005 DOI: 10.1140/epjc/s2005-02286-9