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

Sander, T; Duane, S; Lee, N D; Thomas, C G; Owen, P J; Bailey, M; Palmans, H (2012) NPL's new absorbed dose standard for the calibration of HDR 192Ir brachytherapy sources. Metrologia, 49 (5). S184-S188

Duane, S; Aldehaybes, M; Bailey, M; Lee, N D; Thomas, C G; Palmans, H (2012) An absorbed dose calorimeter for IMRT dosimetry. Metrologia, 49 (5). S168-S173

Preston, R C; Robinson, S P; Zeqiri, B; Esward, T J; Gelat, P N; Lee, N D (1999) Primary calibration of membrane hydrophones in the frequency range 0.5 MHz to 60 MHz. Metrologia, 36 (4). pp. 331-334.