Cross References:IEC/TR 61282-9:2006IEC/TR 61292-5:2004IEC 60793-1-1IEC 60825-1IEC 60825-2IEC 60874-1IEC 61291-1IEC 61291-4EN 60793-1-1:2003EN 60825-1:2007EN 60825-2:2004EN 60874-1:2007EN 61291-1:2006EN 61291-4:2003All current amendments available at time of purchase are included with the purchase of this document.