Secondary Ion Emission from a Tungsten-Molybdenum Alloy under the Influence of Slow Ions.- Use of a Thermistor for Recording the Flow of Atoms When Studying Secondary Emission.- Potential Emission of Electrons from the (110) and (111) Faces of a Molybdenum Single Crystal under Ion Bombardment.- Electron Emission of the (110) and (111) Faces of a Molybdenum Single Crystal on Bombardment with Helium and Argon Ions and Atoms.- Negative-Ion Sputtering of Silver on Bombardment with Cs+ Ions.- Negative-Ion Sputtering of Tungsten Bombarded with Alkali Metal Ions.- Secondary Electron Emission from the Surface of Germanium and Silicon on Bombardment with Alkali Ions.- Secondary Emission of Negative Particles from NiCr and CuBe Alloys.- Secondary Electron Emission of NiCr and AlBe Alloys.- On the Isotopic Effect Associated with Kinetic Ion-Electron Emission.- Angular Dependence of the Energy Spectra of Secondary Ions Scattered by a Single Crystal.- Effect of the State of the Substrate on the Secondary Emission of Dielectric Films Subjected to Ion Bombardment.- Adhesion (Binding) of Adsorbed Atoms in the Ion Bombardment of Clean Surfaces.- Sorption.of Gases in the Ion Bombardment of Glass Surfaces.- Secondary Emission of Thin Films on Passing Ions of Certain Alkali Metals through Them.- Influence of Ion Bombardment on the Physical and Physicochemical Properties of Silicon.- Computer Study of the Proton-Electron-Positron System by a Variational Method.- Annihilation of Positrons and the Electron Spectrum of Metals.- Secondary Electron Emission in Various States of Aggregation.- Energy Distribution of Secondary-Electron Emission.- Effect of Multiple Scattering and Thermal Vibrations on the Reflection of Ions from the Face of a Single Crystal.- Auger Ionization of Atoms by Multiply-Charged Ions. Model of Two Coulomb Centers.- Ion-Current Characteristics in the Electron-Beam Zone-Melting of Molybdenum.- Stabilization of the Thermophysical Conditions Governing the Growth of Single Crystals of Refractory Metals.- Elements of the Energy Calculation of High-Temperature Zone Melting.- Acoustic Anisotropy of Metalloceramic (Sintered Metal Powder) Molybdenum Moldings.- Determination of Hydrogen in Molybdenum by a Diffusion-Manometric Method.- Mosaic Structure of Molybdenum Single Crystals.- Changes in the Structure of Molybdenum Single Crystals Subjected to Thermal Fatigue.- Effect of Neutron Irradiation on the Structure and Microhardness of Different Faces of Molybdenum Single Crystals.- Kinetics of Cathodic Adsorption Phenomena.- Mass-Spectrometer Determination of Traces of Alkali Elements in Silicon.- Study of the Adsorption of Gas Mixtures on the Irradiated Surfaces of Silicagels by the Method of Infrared Spectroscopy.- Study of Certain Macroscopic Defects in Refractory Metals.- Production and Properties of Oriented Single Crystals Obtained from Molybdenum Powder.- Physicomechanical Properties of Deformed Molybdenum Single Crystals.