VDE 0390-2-2007 Superconductivity - Part 2: Critical current measurement - DC critical current of Nb3Sn composite superconductors (IEC 61788-2:2006); German version EN 61788-2:2007
VDE 0660-2026-2/A1-2018 Low-voltage switchgear and controlgear - Controller-device interfaces (CDIs) - Part 2: Actuator sensor interface (AS-i) (IEC 121A/181/CD:2017); Text in German and English
IECQ - IEC: Quality Assessment System for Electronic Components,关于sn 181-2的标准