P.H.G. Sharpe, A. Miller, J.P. Sephton, C.A. Gouldstone, M. Bailey and J. Helt-Hansen
Radiation Physics and Chemistry 78 ( 7 ): 473 - 475 , 2009
P.H.G. Sharpe, J.P. Sephton and C.A. Gouldstone
Radiation Physics and Chemistry 78 ( 7 ): 477 - 479 , 2009