Thermoelectric performance of the filled-skutterudite LaFe4Sb12 and CeFe4Sb12 B. Xu, J. Liang, X. Li, J. F. Sun and L. Yi Eur. Phys. J. B, 79 3 (2011) 275-281 Published online: 19 January 2011 DOI: 10.1140/epjb/e2010-10612-0