BS EN 61788-5:2013 Superconductivity. Matrix to superconductor volume ratio measurement. Copper to superconductor volume ratio of Cu/Nb-Ti composite superconducting wires
2013BS EN 61788-5:2013 Superconductivity. Matrix to superconductor volume ratio measurement. Copper to superconductor volume ratio of Cu/Nb-Ti composite superconducting wires
2003BS EN 61788-5:2001 Superconductivity - Matrix to superconductor volume ratio measurement - Copper to superconductor volume ratio of Cu/Nb-Ti composite superconductors