1. Sandejas, J. and J. B. Hudson, These Proceedings, pg. 271 ff.
2. Saltsburg, H., J. N. Smith, Jr. and R. L. Palmer, 5th Symp. Rar. Gas Dyn., Academic Press, N. Y. (1967) Vol. I, p. 223.
3. Lyon, H. B., A. M. Mattera and G. A. Somorjai, these Proceedings, pg. 102
4. Atomic‐Beam Scattering from Epitaxially Grown Gold Films
5. Molecular‐Beam Scattering from the (111) Plane of Silver