1. T. Arai, T. Shoji and R.W. Ryan, Advan. X-ray Anal.
28: 137 (1985)
2. S. Luck and D.S. Urch, Physica Scripta
41: 749 (1990)
3. M. Charbonnier, M. Romand and F. Gaillard, Analysis, 16 (supp. to No. 9–10): 17 (1988)
4. D.S. Urch in X-ray Spectroscopy in Atomic and Solid State Physics, Ed. J.G. Ferreira and M.T. Ramos. Pub., Plenum Press, New York, USA 155 (1988)
5. A.K. Gyani, P. McClusky, D.S. Urch, M. Charbonnier, F. Gaillard and M. Romand, Adv. X-ray Anal.
33: 247 (1990)