IEC 61788-4:2020 Superconductivity - Part 4: Residual resistance ratio measurement - Residual resistance ratio of Nb-Ti and Nb3Sn composite superconductors
2016IEC 61788-4:2016 Superconductivity - Part 4: Residual resistance ratio measurement - Residual resistance ratio of Nb-Ti and Nb3Sn composite superconductors
2011IEC 61788-4:2011 Superconductivity - Part 4: Residual resistance ratio measurement - Residual resistance ratio of Nb-Ti composite superconductors
2007IEC 61788-4:2007 Superconductivity - Part 4: Residual resistance ratio measurement - Residual resistance ratio of Nb-Ti composite superconductors
2001IEC 61788-4:2001 Superconductivity - Part 4: Residual resistance ratio measurement; Residual resistance ratio of Nb-Ti composite superconductors