Cross References:IEC 61881-3:2012/AMD1:2013EN 61881-3 Amd 1 (11/13) IEC ASEN 61881-3 (IEC 61881-3:2012) ASIEC 61881-3:2012EN 62391IEC 62391 (all parts)All current amendments available at time of purchase are included with the purchase of this document.