1. R. Woldseth,X-ray Energy Spectrometry (Burlingame, CA: KEVEX Corp., 1973).
2. G.A. Armantrout, S.P. Swierkowski, J.W. Sherohman and J.H. Yee,IEEE Trans. Nucl. Sci. NS-24, 121 (1977).
3. See, for a discussion: K. Zanio, Vol. 13Semiconductors and Semimetals, eds. R.K. Willardson and A.C. Beer, (New York: Academic Press, 1978), Chap. 4, p. 184.
4. R.O. Bell, G. Entine and H.B. Serreze,Nucl. Inst, and Meth. 117, 267 (1974) and discussion in Ref. 3.
5. F.P. Doty, J.F. Butler, J.F. Schetzina and K.A. Bowers,J. Vax:. Sci. Technol. B 10, 1418 (1992).