INTRODUCTORY REVIEW (pdf 3.5 МБ) Introduction Nomenclature and Elementary Kinematics Classification of Reactions Direct and Compound Nuclear Reactions Multistep Direct Reactions Statistical Doorway State Reactions Statistical Theory of Multistep Direct and Multistep Compound Reactions Direct Nuclear Reactions and Specificity Reactions with "Exotic" Projectiles Specificity and Symmetry Densities, Сопеlаtiопs, and the Direct Reactions