1. C. W. Snyder, S. Rubin, W. A. Fowler, and C. C. Lauritsen, Rev. Sci. Inst., 21, 852 (1950)
2. E. Bøgh, Channeling, Ed. D. V. Morgan, John Wiley and Sons, p. 435 (1973)
3. J. M. Harris, W. K. Chu, and M-A. Nicolet, Thin Solid Films, 19, 259 (1973)
4. J. F. Ziegler, R. F. Lever, and J. K. Hirvonen, “Computer Analysis of Nuclear Backscattering,” this Conference
5. J. K. Hirvonen, A. K. Revesz, and T. D. Kirkendall, to be published