A SURF beamline for synchrotron source-based absolute radiometry Ping-Shine Shaw ; Uwe Arp ; Howard W Yoon ; Robert D Saunders ; Albert C Parr ; Keith R Lykke Abstract Publication: Metrologia Pub Date: February 2003 DOI: 10.1088/0026-1394/40/1/328 Bibcode: 2003Metro..40S.124P