Dinesh Varshney, Irfan Mansuri, and A. Yogi, Effect of Ca(Ce) doping on thermopower of LaMnO₃ manganites, Low Temp. Phys. 36, (2010) [Fiz. Nizk. Temp. 36, 790-796, (2010)] DOI: https://doi.org/10.1063/1.3479297.