Gilligan, C R D; Harms, A V (2012) Environmental radioactivity proficiency test exercise 2011. NPL Report. IR 27

Arinc, A; Johansson, L C; Gilligan, C R D; Pearce, A K (2011) Standardisation of 210Pb by Cerenkov counting. Appl. Radiat. Isot., 69 (5). pp. 768-772.

Inn, K G W*; Kurosaki, H*; Frechou, C*; Gilligan, C R D; Jones, R*; LaMont, S*; Leggit, J*; Li, C*; McCroan, K*; Swatski, R* (2008) A blueprint for radioanalytical metrology CRMs, intercomparisons and PE. Appl. Radiat. Isot., 66 (6-7). pp. 835-840.

Harms, A V; Dean, J C J; Gilligan, C R D; Jerome, S M (2007) The performance of UK and Overseas laboratories in proficiency tests for the measurement of Am-241. In: Environmental Radiochemical Analysis III. Royal Society of Chemistry, pp. 200-206. ISBN 9780854042630

Harms, A V; Gilligan, C R D; Arinc, A; Collins, S M; Jerome, S M; Johansson, L C; MacMahon, D; Pearce, A (2005) Environmental radioactivity comparison exercise 2005. NPL Report. DQL-RN 015

Arinc, A; Woods, D H; Jerome, S M; Collins, S M; Pearce, A K; Gilligan, C R D; Chari, K V; Baker, M; Petrie, N E; Stroak, A J; Phillips, H C; Harms, A V (2004) Environmental radioactivity comparison exercise 2003 (overseas report). NPL Report. DQL-RN 002

Arinc, A; Woods, D H; Jerome, S M; Collins, S M; Pearce, A K; Gilligan, C R D; Chari, K V; Baker, M; Petrie, N E; Stroak, A J; Phillips, H C; Harms, A V (2004) Environmental radioactivity comparison exercise 2003. NPL Report. DQL-RN 001