Rare earth rhodium borides RRh3B (R = Y, Zr, and Nb): mechanical, thermal and optical properties M.A. Hossain, M.S. Ali and A.K.M.A. Islam Eur. Phys. J. B, 85 12 (2012) 396 Published online: 03 December 2012 DOI: 10.1140/epjb/e2012-30799-0