1. L.T. Canham, Appl. Phys. Lett., 57 (1990) 1046.
2. A. Loni, A.J. Simons, T.I. Cox, P.D.J. Calcott and L.T. Canham, Electron. Lett., 31 (1995) 1288.
3. A.J. Simons, T.I. Cox, A. Loni, L.T. Canham, M.J. Uren, C. Reeves, A.G. Cullis, P.D.J. Calcott, M.R. Houlton and J.P. Newey, in D.J. Lockwood, P.M. Fauchet, N. Koshida and S.R.J. Bruek (eds.), Proc. Int. Symp. on Advanced Luminescent Mater., Electrochem. Soc., PV 95-25, 1995, p. 73.
4. L.T. Canham, S.J. Saunders, I.B. Healey, A.M. Keir and T.I. Cox, Adv. Mater., 6 (1994) 865.