TY - JOUR AU - Ronald Tosh AU - S Picard AU - D Burns AU - P Roger AU - Fred Bateman AU - Huaiyu Chen-Mayer C2 - Metrologia DA - 2013-01-23 DO - https://doi.org/10.1088/0026-1394/50/1A/06004 LA - en M1 - 50 PB - Metrologia PY - 2013 TI - Key comparison BIPM.RI(I)-K6 of the standards for absorbed dose to water of the NIST, USA and BIPM in accelerator photon beams ER -