UNE-EN 61788-15:2011 Superconductivity - Part 15: Electronic characteristic measurements - Intrinsic surface impedance of superconductor films at microwave frequencies (Endorsed by AENOR in March of 2012.)
2012UNE-EN 61788-15:2011 Superconductivity - Part 15: Electronic characteristic measurements - Intrinsic surface impedance of superconductor films at microwave frequencies (Endorsed by AENOR in March of 2012.)