1. International Conference on Ion Beam Surface Layer Analysis. June18–20. New York: Yorktown Heights. Proceedings to be published in Thin Solid Films
2. Three-Parameter Formula for the Electronic Stopping Cross Section at Nonrelativistic Velocities
3. Sweet, J. N. private communication, many films of various thicknesses prepared by identical sputtering conditions were analyzed by a variety of techniques and the figure of 0.93X bulk density deduced
4. Helium ion stopping cross sections in gold