The Electron Diffraction Technique, A Survey: The Gas-Phase Technique of Molecular Structure Determination; Status of Electron Scattering Theory with Respect to Accuracy in Structure Analyses; Small-Angle Electron Scattering by Gas Molecules: Experimental and Theoretical Aspects; Determination of Electron Density Distribution from High-Energy Electron Scattering; Temperature Dependence of Structural Parameters: Theory and Experiment; Gas Electron Diffraction Experiment; Joint Use of Electron Diffraction and High-Resolution Spectroscopic Data for Accurate Determination of Molecular Structure; Spectroscopic Information from Electron Diffraction; Molecular Orbital Constrained Electron Diffraction (MOCED) Studies: The Concerted Use of Electron Diffraction and Quantum Chemical Considerations; Self-Consistent Molecular Models from a Combination of Electron Diffraction, Microwave, and Infrared Data Together with High-Quality Theoretical Calculations; Conformational and Thermodynamic Properties from Electron Diffraction; Investigation of Large-Amplitude Motion; Linking Gas Electron Diffraction and EXAFS?; Combined Application of Electron Diffraction and Liquid Crystal NMR Spectroscopy; Low-Resolution Microwave Spectroscopy and Its Combination with Electron Diffraction; Gas-Phase X-Ray Diffraction.