- 203 - 41. D. W. Steinhaus, J. Blaise, and M. Diringer, "Present Status of the Arc Spectrum of Uranium (UI)," UC-34, Physics TID 4500 (1966). 42. E. U. Condon and H. Odishaw, editors, Handbook of Physics, McGraw-Hill Book Company, New York (1968). 43. C. E. Moore, Atomic Energy Levels, Volume III, National Bureau of Standards Circular 467 (1958). 44. H. A. Griem, "High Density Corrections in Plasma Spectroscopy," Phys. Rev., 126, 997-1003 (1962). 45. L. I. Schiff, Quantum Mechanics, second edition, McGraw-Hill Book Company, New York (1955). 46. K. S. Drellishak, C. F. Knopp, and A. B. Cambel, "Partition Functions and Thermodynamic Properties of Argon Plasma," The Physics of Fluids, 6, 1280-1288 (1963). 47. R. W. Patch, Private Communication (1967). 48. G. S. Ivanov-Kholodnyi, G. M. Nikol'skii, and R. A. Gulyaev, "Ionization and Excitation of Hydrogen," Soviet Physics Astronomy, 4, 754-765 (1964). 49. R. C. Tolman, The Principles of Statistical Mechanics, Oxford University Press, London (1938). 50. J. W. Bond, Jr. et al., Atomic Theory of Gas Dynamics, Addison-Wesley Publishing Company, Reading, Massachusetts (1965). 51. G. Herzberg, Molecular Spectra and Molecular Structure I, Diatomic Molecules, Prentice-Hall, Inc., New York (1930). 52. A. Unsoeld, Physics of Stellar Atmospheres, Springer Publishing Company, Berlin (1955). 53. R. G. Ragsdale, "Effects of a Momentum Buffer Region on the Coaxial Flow of Dissimilar Gases," NASA TN D-3138 (1965). 54. T. W. Kao, "Concentration Profile Establishment of Binary Gas Mixture in Swirl and Duct Flows," NASA CR-399 (1966)