Integrable and stochastic behaviour in dynamical astronomy -- Adiabatic and stochastic motion of charged particles in the field of a single wave -- Numerical study of particle motion in two waves -- Stochastic ion heating by a perpendicularly propagating electrostatic wave -- Preservation of conditionally periodic movements with small change in the Hamilton function -- On resonant hamiltonians with two degrees of freedom near an equilibrium point -- A survey of the Hénon-Heiles Hamiltonian with applications to related examples -- Ergodic components in the stochastic region in a Hamiltonian system -- A question about the localized mode due to a light impurity -- Nonlinear oscillation regimes in some physical problems -- Metric universality in nonlinear recurrence -- Magnetic flux annihilation in a large Josephson junction -- Some non-linear physics in crystallographic structures -- Laser instabilities — an example from synergetics -- Dynamics and ergodicity of the infinite harmonic crystal a review of some salient features -- Geodesic correction to stochastic parallel displacement of tensors -- The method of Dirichlet forms -- Regular and irregular spectra of molecules -- Semiclassical studies of bound states and molecular dynamics -- The role of periodic orbits in semiclassical quantization -- Semiclassical eigenvalues for rotating triatomic molecules -- Semiclassical calculation of vibrational energy levels for nonseparable potentials -- Classical quantization conditions for a dynamical system with stochastic behavior? -- Semi-classical ergodicity of quantum eigenstates in the Wigner representation -- Stochastic behavior of a quantum pendulum under a periodic perturbation -- Periodic solutions of arbitrary period, variational methods.