Article

Hedley, R P*; Danyluk, P*; Chandler, M J*; Paton-Walsh, C; Woods, M J; Sephton, J P (1994) Problems, and measurement solutions developed, in the characterisation and use of ISO Class 1 photon-emitting reference sources for the calibration of surface contamination monitors. Nucl. Instrum. Methods Phys. Res., A339. p. 253.