2011NF C31-888-11:2011 Superconductivity - Part 11 : residual resistance ratio measurment - Residual resistance ratio of Nb3Sn composite superconductors.
2003NF C31-888-11:2003 Superconductivity - Part 11 : residual resistance ratio measurement - Residual resistance ratio of Nb3Sn composite superconductors.