Bass, G A; Barry, M A; Duane, S; Homer, M J; Kelly, M; Manning, J W; Maughan, D J; Nutbrown, R F; Sander, T; Shipley, D R; Snaith, J A D (2019) Changes to the UK National Primary Standards of Air Kerma and Absorbed Dose Incorporating ICRU Report 90 Recommendations. NPL Report. IR 55
Kelly, M; Bass, G A; Manning, J W; Maughan, D J; Nutbrown, R F; Sander, T; Shipley, D R (2019) The NPL Air Kerma Primary Standard Free-Air Chamber for Low Energy X-Rays: Summary of Factors Incorporating ICRU Report 90 Recommendations. NPL Report. IR 51
Bass, G A; Duane, S; Kelly, M; Manning, J W; Maughan, D J; Nutbrown, R F; Sander, T; Shipley, D R (2019) The NPL Air Kerma Primary Standard Free-Air Chamber for Medium Energy X-rays: Summary of Factors Incorporating ICRU Report 90 Recommendations. NPL Report. IR 54
Bass, G A; Duane, S; Homer, M J; Kelly, M; Manning, J W; Maughan, D J; Nutbrown, R F; Sander, T; Shipley, D R; Snaith, J A D (2019) The NPL Air Kerma Primary Standard PS5-1/PS5-2 for 137CS and 60CO: Summary Of Factors Including ICRU 90 Recommendations. NPL Report. IR 53
Sander, T; Bass, G A; Cashmore, M T D; Duane, S; Galer, S E; Homer, M J; Lee, N D; Nutbrown, R F; Shipley, D R (2017) The NPL absorbed dose primary standard graphite calorimeter (2015 design) for 60Co: summary of correction and conversion factors. NPL Report. IR 45
Bass, G A; Duane, S; Galer, S E; Homer, M J; Kelly, M; Manning, J W; Maughan, D J; Nutbrown, R F; Sander, T; Shipley, D R; Snaith, J A D (2017) The NPL air kerma primary standard PS5-1/PS5-2 for 137Cs and 60CO: summary of factors. NPL Report. IR 41
Bass, G A; Duane, S; Kelly, M; Manning, J W; Maughan, D J; Nutbrown, R F; Sander, T; Shipley, D R (2017) The NPL air kerma primary standard free air chamber for medium energy X-rays: summary of factors. NPL Report. IR 42
Duane, S; Nutbrown, R F; Shipley, D R (2009) Changes to the NPL air kerma standard for 137Cs and 60Co. NPL Report. IR 17
Sander, T; Nutbrown, R F (2006) The NPL air kerma primary standard TH100C for high dose rate 192Ir brachytherapy sources. NPL Report. DQL-RD 004
Angliss, R F; Moretti, C J; Nutbrown, R F (2001) Proposed specification for a primary standard of air kerma for 60Co, 137Cs and 192Ir -ray sources. NPL Report. CIRM 53
Nutbrown, R F; Shipley, D R (2000) Calculation of factors to convert from air kerma to absorbed dose to water for medium energy photons. NPL Report. CIRM 41
Nutbrown, R F; Shipley, D R (2000) Calculation of the response of a NE2561 ion chamber in a water phantom for high energy photons. NPL Report. CIRM 40
Nutbrown, R F; Sander, T (2000) Corrections to air kerma rate measurements from a 192Ir high dose rate brachytherapy source to free space conditions. NPL Report. CIRM 39
Nutbrown, R F; Duane, S; Shipley, D R; Thomas, R A S (2000) Evaluation of factors to convert absorbed dose calibrations in graphite to water for mega-voltage photon beams. NPL Report. CIRM 37
Shipley, D R; Sander, T; Nutbrown, R F (2015) Source geometry factors for HDR 192Ir brachytherapy secondary standard well-type ionisation chamber calibrations. Phys. Med. Biol., 60 (6). pp. 2573-2586.
Bidmead, A M*; Sander, T; Locks, S M*; Lee, C D*; Aird, E G A*; Nutbrown, R F; Flynn, A* (2010) The IPEM code of practice for determination of the reference air kerma rate for HDR Ir-192 brachytherapy sources based on the NPL air kerma standard. Phys. Med. Biol., 55 (11). pp. 3145-3159.
Pearce, J A D; Bass, G A; Duane, S; Nutbrown, R F; Shipley, D R (2009) Revised correction factor for the UK national primary standard for air kerma for 137Cs and 60Co gamma-rays. Metrologia, 46 (5). L26.
Sander, T; Douysset, G*; Gouriou, J*; Nutbrown, R F (2008) Comparison of air kerma standards of LNE-LNHB and NPL for Ir-192 HDR brachytherapy sources: EUROMET project no. 814. Phys. Med. Biol., 53 (6). N85-N97
Nutbrown, R F; Duane, S; Shipley, D R; Thomas, R A S (2002) Evaluation of factors to convert absorbed dose calibrations from graphite to water for the NPL high-energy photon calibration service. Phys. Med. Biol., 47 (3). pp. 441-454.
Nutbrown, R F; McEwen, M R; Thomas, R A S; Duane, S; Shipley, D R (2001) Comparison of conversion factors for x-ray beams from Philips SL15 and the NPL linear accelerator. Phys. Med. Biol., 46. N245-N252
Palmans, H; Thomas, R A S; Duane, S; Kacperek, A*; Nutbrown, R F; DuSautoy, A R; Verhaegen, F* (2003) Feasibility of graphite and water calorimetry in low-energy clinical proton beams. In: Workshop on Recent Advances in Absorbed Dose Standards, 19-21 August 2003, Melbourne, Australia.
Nutbrown, R F; Duane, S; Shipley, D R; Thomas, R (2000) Absorbed dose conversion factors for megavoltage photon beams. In: Proceedings of Monte Carlo 2000 Conference, 23-26 October 2000, Lisbon.