Rao , A. and Radheshyam, S. and Das, A. and Gahtori, B. and Agarwal, S. K. and Lin, Y. F. and Sivakumar, K. M. and Kuo, Y. K. (2006) Effect of Mn doping on the specific heat of the high T-C superconductor REBa2Cu3Oy (RE = Y, Gd). Journal of Physics: Condensed Matter, 18 (11). pp. 2955-2962. ISSN 0953-8984