DIN EN 61788-7:2007 Superconductivity - Part 7: Electronic characteristic measurements - Surface resistance of superconductors at microwave frequencies (IEC 61788-7:2006); German version EN 61788-7:2006
2021DIN EN IEC 61788-7:2021 Superconductivity - Part 7: Electronic characteristic measurements - Surface resistance of high-temperature superconductors at microwave frequencies (IEC 61788-7:2020); German version EN IEC 61788-7:2020
2007DIN EN 61788-7:2007 Superconductivity - Part 7: Electronic characteristic measurements - Surface resistance of superconductors at microwave frequencies (IEC 61788-7:2006); German version EN 61788-7:2006