General Problems and Crucial Experiments.- Are Coherent States the Natural Language of Quantum Theory?.- The Classical Behaviour of Measuring Instruments.- A Continuous Superselection Rule as a Model of Classical Measuring Apparatus in Quantum Mechanics.- Quantum Interference Effect for Two Atoms Radiating a Single Photon.- Neutron Interferometry and Quantum Mechanics.- An Attempt at a Unified Description of Microscopic and Macroscopic Systems.- On the Quantum Theory of Continuous Measurements.- Conditional Expectations on Jordan Algebras.- Quantization and Stochastic Processes.- Stochastic Quantization of Gauge Fields and Constrained Systems.- Brownian Motion, Markov Cosurfaces, Higgs Fields.- Stochastic Description of Supersymmetric Fields with Values in a Manifold.- Quantum Stochastic Calculus in Fock space: A Review.- Quantum Markov Processes Driven by Bose Noise.- Stochastic Interpretation of Emission and Absorption of the Quantum of Action.- Probabilistic Expression for the Solution of the Dirac Equation in Fourier Space.- Are Dirac Electrons Faster than Light?.- Sojourn Times and First Hitting Times in Stochastic Mechanics.- Chaotic Behaviour in Quantum Mechanics.- Quantum Systems Periodically Perturbed in Time.- Chaotic Ionization of Highly-Excited Hydrogen Atoms by a Microwave Electric Field.- Possible Evidence of Deterministic Chaos for the Sinusoidally-Driven Weakly-Bound Electron.- Quantization of Non-Integrable Systems: the Hydrogen Atom in a Magnetic Field.- Quantum Ergodicity and Chaos.- Microscopic and Macroscopic Levels of Description New Techniques and Results.- Some Fundamental Properties of the Ground State of Atoms and Molecules.- Mass/Energy Gap Associated to Symmetry Breaking: A Generalized Goldstone Theorem for Long Range Interactions.- Embedding as a Description of the Relation Between Macro- and Microphysics.- Some Applications of Semigroups.- N-Level Systems Interacting with Bosons: Semiclassical Limits.- Bose-Einstein Condensation in SomelĪ