C. S. Hansen, W. F. Calaway, M. J. Pellin, B. V. King, and A.Wucher, "Effects of Oxygen Dosing on Ca Cluster Yields and Energy Distrubutions" Surface Science. 432 (1999) 199-210.

W. M. Fairbank, Jr., C. S. Hansen, R. D. LaBelle, X.-J. Pan, and Y. Zhang, "Photon Burst Mass Spectrometry for the Measurement of 85Kr at Ambient Levels," Proc. Soc. Photo._Opt. Instr. Eng. 3270 (1998), in press.

C. S. Hansen, W. F. Calaway, B. V. King, and M. J. Pellin, "Energy and Yield Distributions of Calcium Atoms and Clusters undergoing 4 keV Ar+ Bombardment," Surface Science, 398 (1998) 211-220.

C. S. Hansen, W. M. Fairbank, Jr., E. P. Chamberlin, N. S. Nogar, X.-J. Pan, and B. L. Fearey, "Photon Burst Mass Spectrometry for the Measurement of 85Kr at Ambient Levels," in "Resonance Ionization Spectroscopy 1996," N. Winograd and J. E. Parks, Eds. (1997) 419-422.

C. S. Hansen, W. F. Calaway, M. J. Pellin, R. C. Wiens, and D. S. Burnett, "Three-Color Resonance Ionization Spectroscopy of Zr in Si" in "Resonance Ionization Spectroscopy 1996," N. Winograd and J. E. Parks, Eds. (1997) 215-218.

R. C. Wiens, D. S. Burnett, W. F. Calaway, C. S. Hansen, K. R. Lykke, and M. J. Pellin, "Sputtering Products of Sodium Sulfate: Implications for Io's Surface and for Sodium-Bearing Molecules in the Io Torus," ICARUS 128, IS975758 (1997) 386-397.

R. D. LaBelle, C. S. Hansen, M. M. Mankowski, and W. M. Fairbank, Jr., "Isotopically Selective Atom Counting Using Photon Burst Detection," Physical Review A 54, 5 (1996) 4461-4463.