LST EN 61788-12-2003 Superconductivity. Part 12: Matrix to superconductor volume ratio measurement. Copper to non-copper volume ratio of Nb3Sn composite superconducting wires (IEC 61788-12:2002)
2014LST EN 61788-12-2014 Superconductivity -- Part 12: Matrix to superconductor volume ratio measurement - Copper to non-copper volume ratio of Nb3Sn composite superconducting wires (IEC 61788-12:2013)
2003LST EN 61788-12-2003 Superconductivity. Part 12: Matrix to superconductor volume ratio measurement. Copper to non-copper volume ratio of Nb3Sn composite superconducting wires (IEC 61788-12:2002)