Molecular Multiphoton Excitation.- Single-Infrared-Frequency Studies of Multiple-Photon Excitation and Dissociation of Polyatomic Molecules.- Molecular-Beam Studies of Laser-Induced Multiphoton Dissociation.- Two-Frequency Technique for Multiple-Photon Dissociation and Laser Isotope Separation.- Excitation Spectrum of SF6 Irradiated by an Intense IR Laser Field.- Laser-Induced Decomposition of Polyatomic Molecules: A Comparison of Theory with Experiment.- A Method of Laser Isotope Separation Using Adiabatic Inversion.- Three-Level Superfluorescence.