Theory of Electron–Atom Scattering in a Radiation Field. / Leonard Rosenberg. Positron–Gas Scattering Experiments. / Talbert S. Stein and Walter E. Kaupplia. Nonresonant Multiphoton Ionization of Atoms. / J. Morellec, D. Normand and G. Petite. Classical and Semiclassical Methods in...