InhaltsangabeSession A.- Status of QED Experiments.- Status of Quantum Electrodynamics Theory.- Atomic Physics and Quantum Electrodynamics in the Infinite Momentum Frame.- Theories of the Fine Structure Constant ?.- gJ(H)/gS(e) Determination: Preliminary Results.- Session B.- Exotic Atoms.- Highly Excited States of Helium and Neon.- Theoretical Study of Atomic Rydberg States.- Inner-Shell Ionization by Heavy Charged Particles.- Fine Structure and Hyperfine Structure of the Helium Negative Ion.- Statistical Theory of Atom and Ion Polarizabilities.- Session C.- Ab Initio Calculations of Atomic Energy Spectra.- Bound States and Continuum States of Atomic Systems.- Recent Advances in the Interpretation of Complex Atomic Spectra.- Model Potential Calculations for Two-Valence Electron Systems.- Complex Rotations in Atomic Scattering Theory.- Photodetachment of Li¯ and Na¯.- Session D.- Radiative Decay of the Metastable States of the H and He Sequences - Theory.- Radiative Decay of the Metastable States of the H and He Sequences - Experiment.- Ionization of Excited Atomic Particles by Electric Fields.- Metastable States of Highly Excited Heavy Ions.- Differential Cross Sections for Metastable He and Ar.- Session E.- Interstellar Molecules.- Inner-Shell Ionizations in the Interstellar Medium.- Atomic Physics in the Upper Atmosphere.- Rotational Excitation by Resonant Transfer of Electronic Excitation.- Session F.- Electronic Polarization Behavior in Collisions.- Beam Resonance Measurements of Atomic Quadrupole Moments.- Recent Advances in Helium Optical Pumping.- The Temperature Dependence of the Electron-Rubidium Spin-Exchange Cross Section.- Orientation of Short-Lived Mercury Isotopes by Means of Optical Pumping Detected by ß and ? Radiation.- Excited Atomic and Molecular States in Liquid Helium.- Session G.- Electron Spectroscopy for Chemical Analysis.- Polarized Electron Sources.- Photoelectric Measurements of Doublet Intensity Ratios in Cesium.- Study of e-02 and e-H2 Scattering by Electron Time-of-Flight Spectroscopy.- Progress with Positron Beams for Atomic Collisions.- Spin Polarization in Proton-Xenon Charge Exchange Collisions.- Session H.- Spectroscopy with Tunable Lasers.- Saturated Absorption Spectroscopy with Applications to the 3.39 ?m Methane Transition.- Recent Advances in the Spectroscopy of Small Molecules.- Atomic g-Factors of Hydrogen-Like F19.- Modulation of Mercury Resonance Fluorescence under Pulsed Electric Fields: Measurement of Differential Stark Shifts.