Colossal thermoelectric power in Gd-Sr manganitesS. Sagar, V. Ganesan, P. A. Joy, Senoy Thomas, A. Liebig, M. Albrecht and M. R. AnantharamanEPL, 91 1 (2010) 17008DOI: https://doi.org/10.1209/0295-5075/91/17008