1. User manual of Current/Voltage Trip Amplifier, Reputed make
2. Standard IEC 60812: Failure modes and effects analysis (FMEA and FMEC)
3. Failure Modes, Effects and Diagnostic Analysis, exida GmbH, Stephen Aschenbrenner, Germany
4. MIL-STD-338B:Electronic reliability design Standard
5. Safety Analysis Report (Hardware) of Analog Comparator/Trip Amplifier, Reputed make