Thomas, D J; Bardell, A G; Macaulty, E M* (2002) Characterisation of a gold foil based bonner sphere and measurements of neutron spectra at a medical accelerator. Nucl. Instrum. Methods Phys. Res. A, Accel. Spectrom. Detec. Assoc. Equip., 476 (1-2). pp. 31-35.