(1988). Electrical relays: Part 21-2 : Vibraction, shock, bump and seismic test on measuring relays and protection equipment - Shock and bump tests. Switzerland: IEC.
Chicago Style CitationElectrical Relays: Part 21-2 : Vibraction, Shock, Bump and Seismic Test On Measuring Relays and Protection Equipment - Shock and Bump Tests. Switzerland: IEC, 1988.
MLA CitationElectrical Relays: Part 21-2 : Vibraction, Shock, Bump and Seismic Test On Measuring Relays and Protection Equipment - Shock and Bump Tests. Switzerland: IEC, 1988.
Warning: These citations may not always be 100% accurate.