Bibliography%H. Chen, K. Pan, and Y. T. Lee, “Separation of Strontium from Barium Ions by Paperelectrochromatography,”J.Chin. Chem.Soc.Series II6, 47 (1959).%H. Hamaguchi, H. Cheng, and Y. T. Lee, “Study of the Radioactivity of Hokutolite,”J.Chin. Chem.Soc.II9, 1 (1962).%Y. T. Lee and B. H. Mahan, “Photosensitized Ionization of Alkali Metal Vapors,”J.Chem.Phys.42, 2893−2896 (1965).%Y. T. Lee and B. H. Mahan, “Mobilities of Cesium and Rubidium Ion in Their Parent Vapors,”J.Chem.Phys.43, 2016−2019 (1965).%W. R. Gentry, E. A. Gislason, Y. T. Lee, C. W. Tsao, and B. H. Mahan, “Product Energy and Angular Distributions from the Reaction of N2+with Isotopic Hydrogen Molecules,”Discuss. Faraday Soc.44, 137−145 (1967).%W. R. Gentry, Y. T. Lee, and B. H. Mahan, “Charge Transfer between Positive Alkali Ions and Atoms,”J.Chem.Phys.49, 1758−1762 (1968).%Y. T. Lee, J. D. McDonald, P. R. LeBreton, and D. R. Herschbach, “Molecular Beam Kinetics: Evidence for Short-Range Attraction in Halogen Atom-Molecule Exchange Reactions,”J.Chem.Phys.49, 2447−2448 (1968).%Y. T. Lee, P. R. LeBreton, J. D. McDonald, and D. R. Herschbach, “Molecular Beam Kinetics: Evidence for Preferred Geometry in Interhalogen Exchange Reactions,”J.Chem.Phys.51, 455−456 (1969).%Y. T. Lee, J. D. McDonald, P. R. LeBreton, and D. R. Herschbach, “Molecular Beam Reactive Scattering Apparatus with Electron Bombardment Detector,”Rev.Sci.Instrum.40, 1402−1408 (1969).%C.-H. Wong, T.-Y. Lee, and Y. T. Lee, “The Crystal Structure of Tris(cyclopentadienyl)Samarium(III),Acta Crystallogr.B25, 2580−2587 (1969).%P. E. Sisk