Opening Remarks.- Section I Time Resolved Spectroscopy, Ultra-Fast Processes.- Spectroscopy with 6 Femtosecond Optical Pulses.- Hot Electrons in Semiconductors and Metals.- Laser Spectroscopy of Hot Photoluminescence in Semiconductors: Energy Spectrum and Relaxation Times.- Static and Dynamic Cooling Rate of Photocreated Plasmas in Semiconductors.- GaSe Nonlinear Susceptibility and Relaxation Process Rates.- Picosecond Laser Studies of Collisional Effects on Rotational Processes in Liquids.- Optical Manifestations of Energy and Phase Relaxation in Vibronic Systems.- Section II Two-Dimensional Systems, Quantum Wells, Heterolasers, Superlattices.- The Oscillations of 2D-Electron Density of States in a Transverse Magnetic Field.- Excitonic Optical Nonlinearities in Semiconductor Quantum Wells.- Excitons in Quantum Wells and Short Period Superlattices.- Recombination Processes in GaAs/AlGaAs Multi-Quantum Well Structures.- Picosecond Raman and Luminescence Studies of Carrier Relaxation in Quantum Wells.- Gain Saturation and Features in Threshold Behaviour of AIIIBvHeterostructure Lasers.- Single-Frequency Diode Laser with a High Temperature Stability of the Emission Line.- Raman Studies of Phonons in GaAs/AlGaAs Superlattices.- Section III Surface Optical Phenomena.- Optical Interactions at Rough Surfaces.- Nonlinear Distributed Coupling into Guided Waves.- Bistability on a Surface in Nonlinear Diffraction.- Picosecond Nonlinear Optical Spectroscopy of Semiconductor Surface Structure Transformations.- Raman Scattering of Light from Coherently Excited Surface Polaritons.- Resonant Raman Scattering as a Spectroscopic Probe of the Valence Electron Excitations of Adsorbates on Metals.- Laser-Stimulated Ionization and Desorption of Molecules in an Electric Field.- Section IV Optics of Small Particles, Defects.- Nonlinear Optical Phenomena in Single Micron-Size Droplets.- Optical Spectroscopy of Size Effects in Semiconductor Microcrystals.- Cooperative Behavior of Configuratil